|BSM

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Common factors

Factor: $21x^3+49x.$ Use positive common factors.

$7x\left(3x+7\right)$

$8x\left(3x+7\right)$

Factor: $15x^3y+180xy^2-90xy.$ Use positive common factors.

$7xy\left(3x+7\right)$

$15xy\left(x^2+12y-6\right)$

Factor: $-130x^6y^4+91x^7y^4-39x^6y^5+26x^6y^3-13x^5y^4$ .Use positive common factors.

$20x^5y^6\left(5x^3y-7x-3y\right)$

$13x^5y^3\left(-10xy+7x^2y-3xy^2+2x-y\right)$

Factor: $108x^4-36x^2.$ Use positive common factors.

$12x^2\left(9x^2-3\right)$

$8x\left(3x+7\right)$

Factor: $84x^6y-14x^2y^2.$ Use positive common factors.

$9xy\left(4x+15\right)$

$8x\left(3x+7\right)$

Factor: $77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$20x^5y^7\left(5x^3y-7x-3y\right)$

Factor: $100x^8y^8-140x^6y^7-60x^5y^8$ . Use common positive factors.

$20x^5y^7\left(5x^3y-7x-3y\right)$

$20x^5y^6\left(5x^3y-7x-3y\right)$

Factor: $60x^2y^3z^4-72x^2y^3z^3-84x^2y^2z^4-96xy^3z^4.$ Use positive common factors.

$77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$

$12xy^2z^3\left(5xyz-6xy-7xz-8yz\right)$

Factor: $-72x^{10}y^8z^6+63x^9y^7z^6-45x^9y^8z^5+108x^{10}y^7z^5-18x^{10}y^8z^5+9x^{10}y^7z^6.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$9x^9y^7z^5\left(-8xyz+7z-5y+12x-2xy+xz\right)$

Factor: $21x^2+49x.$ Use positive common factors.

$7x^2y\left(12x^4-2y\right)$

$84x^6y-14x^2y^2$

Questions

Time

Score

Common factors

Factor: $21x^3+49x.$ Use positive common factors.

$7x\left(3x+7\right)$

$8x\left(3x+7\right)$

Factor: $15x^3y+180xy^2-90xy.$ Use positive common factors.

$7xy\left(3x+7\right)$

$15xy\left(x^2+12y-6\right)$

Factor: $-130x^6y^4+91x^7y^4-39x^6y^5+26x^6y^3-13x^5y^4$ .Use positive common factors.

$20x^5y^6\left(5x^3y-7x-3y\right)$

$13x^5y^3\left(-10xy+7x^2y-3xy^2+2x-y\right)$

Factor: $108x^4-36x^2.$ Use positive common factors.

$12x^2\left(9x^2-3\right)$

$8x\left(3x+7\right)$

Factor: $84x^6y-14x^2y^2.$ Use positive common factors.

$9xy\left(4x+15\right)$

$8x\left(3x+7\right)$

Factor: $77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$20x^5y^7\left(5x^3y-7x-3y\right)$

Factor: $100x^8y^8-140x^6y^7-60x^5y^8$ . Use common positive factors.

$20x^5y^7\left(5x^3y-7x-3y\right)$

$20x^5y^6\left(5x^3y-7x-3y\right)$

Factor: $60x^2y^3z^4-72x^2y^3z^3-84x^2y^2z^4-96xy^3z^4.$ Use positive common factors.

$77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$

$12xy^2z^3\left(5xyz-6xy-7xz-8yz\right)$

Factor: $-72x^{10}y^8z^6+63x^9y^7z^6-45x^9y^8z^5+108x^{10}y^7z^5-18x^{10}y^8z^5+9x^{10}y^7z^6.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$9x^9y^7z^5\left(-8xyz+7z-5y+12x-2xy+xz\right)$

Factor: $21x^2+49x.$ Use positive common factors.

$7x^2y\left(12x^4-2y\right)$

$84x^6y-14x^2y^2$

Incorrect

Great!

Questions

Time

Score

Common factors

Factor:﻿21x3+49x.21x^3+49x.21x3+49x.﻿ Use positive common factors.

﻿7x(3x+7)7x\left(3x+7\right)7x(3x+7)﻿

﻿8x(3x+7)8x\left(3x+7\right)8x(3x+7)﻿

Factor: ﻿15x3y+180xy2−90xy.15x^3y+180xy^2-90xy.15x3y+180xy2−90xy.﻿ Use positive common factors.

﻿7xy(3x+7)7xy\left(3x+7\right)7xy(3x+7)﻿

﻿15xy(x2+12y−6)15xy\left(x^2+12y-6\right)15xy(x2+12y−6)﻿

Factor:﻿−130x6y4+91x7y4−39x6y5+26x6y3−13x5y4-130x^6y^4+91x^7y^4-39x^6y^5+26x^6y^3-13x^5y^4−130x6y4+91x7y4−39x6y5+26x6y3−13x5y4﻿ .Use positive common factors.

﻿20x5y6(5x3y−7x−3y)20x^5y^6\left(5x^3y-7x-3y\right)20x5y6(5x3y−7x−3y)﻿

﻿13x5y3(−10xy+7x2y−3xy2+2x−y)13x^5y^3\left(-10xy+7x^2y-3xy^2+2x-y\right)13x5y3(−10xy+7x2y−3xy2+2x−y)﻿

Factor:﻿108x4−36x2.108x^4-36x^2.108x4−36x2.﻿ Use positive common factors.

﻿12x2(9x2−3)12x^2\left(9x^2-3\right)12x2(9x2−3)﻿

﻿8x(3x+7)8x\left(3x+7\right)8x(3x+7)﻿

Factor:﻿84x6y−14x2y2.84x^6y-14x^2y^2.84x6y−14x2y2.﻿ Use positive common factors.

﻿9xy(4x+15)9xy\left(4x+15\right)9xy(4x+15)﻿

﻿8x(3x+7)8x\left(3x+7\right)8x(3x+7)﻿

Factor:﻿77x4y2z2−35x3y3z3−42x2y4z2.77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.77x4y2z2−35x3y3z3−42x2y4z2.﻿ Use positive common factors.

﻿7x2y2z2(11x2−5xyz−6y2)7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)7x2y2z2(11x2−5xyz−6y2)﻿

﻿20x5y7(5x3y−7x−3y)20x^5y^7\left(5x^3y-7x-3y\right)20x5y7(5x3y−7x−3y)﻿

Factor:﻿100x8y8−140x6y7−60x5y8100x^8y^8-140x^6y^7-60x^5y^8100x8y8−140x6y7−60x5y8﻿ . Use common positive factors.

﻿20x5y7(5x3y−7x−3y)20x^5y^7\left(5x^3y-7x-3y\right)20x5y7(5x3y−7x−3y)﻿

﻿20x5y6(5x3y−7x−3y)20x^5y^6\left(5x^3y-7x-3y\right)20x5y6(5x3y−7x−3y)﻿

Factor: ﻿60x2y3z4−72x2y3z3−84x2y2z4−96xy3z4.60x^2y^3z^4-72x^2y^3z^3-84x^2y^2z^4-96xy^3z^4.60x2y3z4−72x2y3z3−84x2y2z4−96xy3z4.﻿ Use positive common factors.

﻿77x4y2z2−35x3y3z3−42x2y4z2.77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.77x4y2z2−35x3y3z3−42x2y4z2.﻿

﻿12xy2z3(5xyz−6xy−7xz−8yz)12xy^2z^3\left(5xyz-6xy-7xz-8yz\right)12xy2z3(5xyz−6xy−7xz−8yz)﻿

Factor: ﻿−72x10y8z6+63x9y7z6−45x9y8z5+108x10y7z5−18x10y8z5+9x10y7z6.-72x^{10}y^8z^6+63x^9y^7z^6-45x^9y^8z^5+108x^{10}y^7z^5-18x^{10}y^8z^5+9x^{10}y^7z^6.−72x10y8z6+63x9y7z6−45x9y8z5+108x10y7z5−18x10y8z5+9x10y7z6.﻿ Use positive common factors.

﻿7x2y2z2(11x2−5xyz−6y2)7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)7x2y2z2(11x2−5xyz−6y2)﻿

﻿9x9y7z5(−8xyz+7z−5y+12x−2xy+xz)9x^9y^7z^5\left(-8xyz+7z-5y+12x-2xy+xz\right)9x9y7z5(−8xyz+7z−5y+12x−2xy+xz)﻿

Factor: ﻿21x2+49x.21x^2+49x.21x2+49x.﻿ Use positive common factors.

﻿7x2y(12x4−2y)7x^2y\left(12x^4-2y\right)7x2y(12x4−2y)﻿

﻿84x6y−14x2y284x^6y-14x^2y^284x6y−14x2y2﻿

Incorrect

Great!

Factor: $21x^3+49x.$ Use positive common factors.

$7x\left(3x+7\right)$

$8x\left(3x+7\right)$

Factor: $15x^3y+180xy^2-90xy.$ Use positive common factors.

$7xy\left(3x+7\right)$

$15xy\left(x^2+12y-6\right)$

Factor: $-130x^6y^4+91x^7y^4-39x^6y^5+26x^6y^3-13x^5y^4$ .Use positive common factors.

$20x^5y^6\left(5x^3y-7x-3y\right)$

$13x^5y^3\left(-10xy+7x^2y-3xy^2+2x-y\right)$

Factor: $108x^4-36x^2.$ Use positive common factors.

$12x^2\left(9x^2-3\right)$

$8x\left(3x+7\right)$

Factor: $84x^6y-14x^2y^2.$ Use positive common factors.

$9xy\left(4x+15\right)$

$8x\left(3x+7\right)$

Factor: $77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$20x^5y^7\left(5x^3y-7x-3y\right)$

Factor: $100x^8y^8-140x^6y^7-60x^5y^8$ . Use common positive factors.

$20x^5y^7\left(5x^3y-7x-3y\right)$

$20x^5y^6\left(5x^3y-7x-3y\right)$

Factor: $60x^2y^3z^4-72x^2y^3z^3-84x^2y^2z^4-96xy^3z^4.$ Use positive common factors.

$77x^4y^2z^2-35x^3y^3z^3-42x^2y^4z^2.$

$12xy^2z^3\left(5xyz-6xy-7xz-8yz\right)$

Factor: $-72x^{10}y^8z^6+63x^9y^7z^6-45x^9y^8z^5+108x^{10}y^7z^5-18x^{10}y^8z^5+9x^{10}y^7z^6.$ Use positive common factors.

$7x^2y^2z^2\left(11x^2-5xyz-6y^2\right)$

$9x^9y^7z^5\left(-8xyz+7z-5y+12x-2xy+xz\right)$

Factor: $21x^2+49x.$ Use positive common factors.

$7x^2y\left(12x^4-2y\right)$

$84x^6y-14x^2y^2$