|BSM

Questions

1 / 10

Time

Score

Multiplying a monomial and a binomial

Multiply: $9x^2y^2\left(7x+7y\right)$

$63x^3y^2+63x^2y^3$

$63x^4y^2+63x^2y^3$

Multiply: $-6x^4\left(4x^3-6x^2\right)$

$-24x^7+36x^6$

$-24x^7+36x^7$

Multiply: $-9xy^2z^3\left(-12x^2y+14xz^2\right)$

$108x^3y^3z^3-126x^2y^2z^5$

Multiply: $100x\left(1000x^2+10x\right)$

$100000x^3+1000x^2$

$1000x^3+100x^2$

Multiply: $21x^3\left(2x-5\right)$

$42x^4-105x^3$

$43x^4-105x^2$

Multiply: $7x^2\left(5x+10\right)$

$35x^3+70x^2$

$35x^3-70x^2$

Multiply: $7x\left(13x+20x^3\right)$

$140x^4+91x^2$

$160x^4+91x^2$

Multiply: $-3x\left(9x+11x\right)$

$-60x^2$

$-60x^3$

Multiply: $-2xy\left(x-y\right)$

$-2x^2y^2+2xy^2$

$-2x^2y+2xy^2$

Multiply: $15x^2y^2\left(-16z+20xy\right)$

$-240xy^2z+300x^2y^3$

$-240x^2y^2z+300x^3y^3$

Questions

Time

Score

Multiplying a monomial and a binomial

Multiply: $9x^2y^2\left(7x+7y\right)$

$63x^3y^2+63x^2y^3$

$63x^4y^2+63x^2y^3$

Multiply: $-6x^4\left(4x^3-6x^2\right)$

$-24x^7+36x^6$

$-24x^7+36x^7$

Multiply: $-9xy^2z^3\left(-12x^2y+14xz^2\right)$

$108x^3y^3z^3-126x^2y^2z^5$

$108x^3y^3z^3-126x^2y^2z^5$

Multiply: $100x\left(1000x^2+10x\right)$

$100000x^3+1000x^2$

$1000x^3+100x^2$

Multiply: $21x^3\left(2x-5\right)$

$42x^4-105x^3$

$43x^4-105x^2$

Multiply: $7x^2\left(5x+10\right)$

$35x^3+70x^2$

$35x^3-70x^2$

Multiply: $7x\left(13x+20x^3\right)$

$140x^4+91x^2$

$160x^4+91x^2$

Multiply: $-3x\left(9x+11x\right)$

$-60x^2$

$-60x^3$

Multiply: $-2xy\left(x-y\right)$

$-2x^2y^2+2xy^2$

$-2x^2y+2xy^2$

Multiply: $15x^2y^2\left(-16z+20xy\right)$

$-240xy^2z+300x^2y^3$

$-240x^2y^2z+300x^3y^3$

Incorrect

Great!

Questions

Time

Score

Multiplying a monomial and a binomial

Multiply: ﻿9x2y2(7x+7y)9x^2y^2\left(7x+7y\right)9x2y2(7x+7y)﻿

﻿63x3y2+63x2y363x^3y^2+63x^2y^363x3y2+63x2y3﻿

﻿63x4y2+63x2y363x^4y^2+63x^2y^363x4y2+63x2y3﻿

Multiply:﻿−6x4(4x3−6x2)-6x^4\left(4x^3-6x^2\right)−6x4(4x3−6x2)﻿

﻿−24x7+36x6-24x^7+36x^6−24x7+36x6﻿

﻿−24x7+36x7-24x^7+36x^7−24x7+36x7﻿

Multiply: ﻿−9xy2z3(−12x2y+14xz2)-9xy^2z^3\left(-12x^2y+14xz^2\right)−9xy2z3(−12x2y+14xz2)﻿

﻿108x3y3z3−126x2y2z5108x^3y^3z^3-126x^2y^2z^5108x3y3z3−126x2y2z5﻿

﻿108x3y3z3−126x2y2z5108x^3y^3z^3-126x^2y^2z^5108x3y3z3−126x2y2z5﻿

Multiply: ﻿100x(1000x2+10x)100x\left(1000x^2+10x\right)100x(1000x2+10x)﻿

﻿100000x3+1000x2100000x^3+1000x^2100000x3+1000x2﻿

﻿1000x3+100x21000x^3+100x^21000x3+100x2﻿

Multiply: ﻿21x3(2x−5)21x^3\left(2x-5\right)21x3(2x−5)﻿

﻿42x4−105x342x^4-105x^342x4−105x3﻿

﻿43x4−105x243x^4-105x^243x4−105x2﻿

Multiply: ﻿7x2(5x+10)7x^2\left(5x+10\right)7x2(5x+10)﻿

﻿35x3+70x235x^3+70x^235x3+70x2﻿

﻿35x3−70x235x^3-70x^235x3−70x2﻿

Multiply: ﻿7x(13x+20x3)7x\left(13x+20x^3\right)7x(13x+20x3)﻿

﻿140x4+91x2140x^4+91x^2140x4+91x2﻿

﻿160x4+91x2160x^4+91x^2160x4+91x2﻿

Multiply: ﻿−3x(9x+11x)-3x\left(9x+11x\right)−3x(9x+11x)﻿

﻿−60x2-60x^2−60x2﻿

﻿−60x3-60x^3−60x3﻿

Multiply: ﻿−2xy(x−y)-2xy\left(x-y\right)−2xy(x−y)﻿

﻿−2x2y2+2xy2-2x^2y^2+2xy^2−2x2y2+2xy2﻿

﻿−2x2y+2xy2-2x^2y+2xy^2−2x2y+2xy2﻿

Multiply: ﻿15x2y2(−16z+20xy)15x^2y^2\left(-16z+20xy\right)15x2y2(−16z+20xy)﻿

﻿−240xy2z+300x2y3-240xy^2z+300x^2y^3−240xy2z+300x2y3﻿

﻿−240x2y2z+300x3y3-240x^2y^2z+300x^3y^3−240x2y2z+300x3y3﻿

Incorrect

Great!

Multiply: $9x^2y^2\left(7x+7y\right)$

$63x^3y^2+63x^2y^3$

$63x^4y^2+63x^2y^3$

Multiply: $-6x^4\left(4x^3-6x^2\right)$

$-24x^7+36x^6$

$-24x^7+36x^7$

Multiply: $-9xy^2z^3\left(-12x^2y+14xz^2\right)$

$108x^3y^3z^3-126x^2y^2z^5$

$108x^3y^3z^3-126x^2y^2z^5$

Multiply: $100x\left(1000x^2+10x\right)$

$100000x^3+1000x^2$

$1000x^3+100x^2$

Multiply: $21x^3\left(2x-5\right)$

$42x^4-105x^3$

$43x^4-105x^2$

Multiply: $7x^2\left(5x+10\right)$

$35x^3+70x^2$

$35x^3-70x^2$

Multiply: $7x\left(13x+20x^3\right)$

$140x^4+91x^2$

$160x^4+91x^2$

Multiply: $-3x\left(9x+11x\right)$

$-60x^2$

$-60x^3$

Multiply: $-2xy\left(x-y\right)$

$-2x^2y^2+2xy^2$

$-2x^2y+2xy^2$

Multiply: $15x^2y^2\left(-16z+20xy\right)$

$-240xy^2z+300x^2y^3$

$-240x^2y^2z+300x^3y^3$