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Questions

1 / 10

Time

Score

Cube of a binomial

Expand: $\left(-15x-6\right)^3$

$-3375x^3-4050x^2-1620x-216$

$512x^3-2112x^2+2904x-1331$

Expand: $\left(-11x^3+7x\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$-1331x^9+2541x^7-1617x^5+343x^3$

Expand: $\left(5xy-13x\right)^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$

$-3375x^3-4050x^2-1620x-216$

Expand: $\left(-12x+4\right)^3$

$512x^3-2112x^2+2904x-1331$

$-1728x^3+1728x^2-576x+64$

Expand: $\left(3x^4+9\right)^3$

$27x^{12}+243x^8+729x^4+729$

$27x^{12}+243x^8+729x^3+729$

Expand: $\left(8x-11\right)^3$

$512x^3-2112x^2+2904x-1331$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(15x+9x^2\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$144x^{10}-456x^8-361x^6$

Expand: $\left(10x+9\right)^3$

$1000x^3+2700x^2+2430x+729$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(-7x^5-7x^3\right)^3$

$-343x^{15}-1029x^{13}-1029x^{11}-343x^9$

$27x^{12}+243x^8+729x^4+729$

Expand: $\left(-10xy+9z\right)^3$

$-1000x^3y^3+2700x^2y^2z-2430xyz^2+729z^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$

Questions

Time

Score

Cube of a binomial

Expand: $\left(-15x-6\right)^3$

$-3375x^3-4050x^2-1620x-216$

$512x^3-2112x^2+2904x-1331$

Expand: $\left(-11x^3+7x\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$-1331x^9+2541x^7-1617x^5+343x^3$

Expand: $\left(5xy-13x\right)^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$

$-3375x^3-4050x^2-1620x-216$

Expand: $\left(-12x+4\right)^3$

$512x^3-2112x^2+2904x-1331$

$-1728x^3+1728x^2-576x+64$

Expand: $\left(3x^4+9\right)^3$

$27x^{12}+243x^8+729x^4+729$

$27x^{12}+243x^8+729x^3+729$

Expand: $\left(8x-11\right)^3$

$512x^3-2112x^2+2904x-1331$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(15x+9x^2\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$144x^{10}-456x^8-361x^6$

Expand: $\left(10x+9\right)^3$

$1000x^3+2700x^2+2430x+729$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(-7x^5-7x^3\right)^3$

$-343x^{15}-1029x^{13}-1029x^{11}-343x^9$

$27x^{12}+243x^8+729x^4+729$

Expand: $\left(-10xy+9z\right)^3$

$-1000x^3y^3+2700x^2y^2z-2430xyz^2+729z^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$

Incorrect

Great!

Questions

Time

Score

Cube of a binomial

Expand: ﻿(−15x−6)3\left(-15x-6\right)^3(−15x−6)3﻿

﻿−3375x3−4050x2−1620x−216-3375x^3-4050x^2-1620x-216−3375x3−4050x2−1620x−216﻿

﻿512x3−2112x2+2904x−1331512x^3-2112x^2+2904x-1331512x3−2112x2+2904x−1331﻿

Expand: ﻿(−11x3+7x)3\left(-11x^3+7x\right)^3(−11x3+7x)3﻿

﻿729x6+3645x5+6075x4+3375x3729x^6+3645x^5+6075x^4+3375x^3729x6+3645x5+6075x4+3375x3﻿

﻿−1331x9+2541x7−1617x5+343x3-1331x^9+2541x^7-1617x^5+343x^3−1331x9+2541x7−1617x5+343x3﻿

Expand: ﻿(5xy−13x)3\left(5xy-13x\right)^3(5xy−13x)3﻿

﻿125x3y3−975x3y2+2535x3y−2197x3125x^3y^3-975x^3y^2+2535x^3y-2197x^3125x3y3−975x3y2+2535x3y−2197x3﻿

﻿−3375x3−4050x2−1620x−216-3375x^3-4050x^2-1620x-216−3375x3−4050x2−1620x−216﻿

Expand: ﻿(−12x+4)3\left(-12x+4\right)^3(−12x+4)3﻿

﻿512x3−2112x2+2904x−1331512x^3-2112x^2+2904x-1331512x3−2112x2+2904x−1331﻿

﻿−1728x3+1728x2−576x+64-1728x^3+1728x^2-576x+64−1728x3+1728x2−576x+64﻿

Expand: ﻿(3x4+9)3\left(3x^4+9\right)^3(3x4+9)3﻿

﻿27x12+243x8+729x4+72927x^{12}+243x^8+729x^4+72927x12+243x8+729x4+729﻿

﻿27x12+243x8+729x3+72927x^{12}+243x^8+729x^3+72927x12+243x8+729x3+729﻿

Expand: ﻿(8x−11)3\left(8x-11\right)^3(8x−11)3﻿

﻿512x3−2112x2+2904x−1331512x^3-2112x^2+2904x-1331512x3−2112x2+2904x−1331﻿

﻿2000x3+2500x2+2430x+7292000x^3+2500x^2+2430x+7292000x3+2500x2+2430x+729﻿

Expand: ﻿(15x+9x2)3\left(15x+9x^2\right)^3(15x+9x2)3﻿

﻿729x6+3645x5+6075x4+3375x3729x^6+3645x^5+6075x^4+3375x^3729x6+3645x5+6075x4+3375x3﻿

﻿144x10−456x8−361x6144x^{10}-456x^8-361x^6144x10−456x8−361x6﻿

Expand: ﻿(10x+9)3\left(10x+9\right)^3(10x+9)3﻿

﻿1000x3+2700x2+2430x+7291000x^3+2700x^2+2430x+7291000x3+2700x2+2430x+729﻿

﻿2000x3+2500x2+2430x+7292000x^3+2500x^2+2430x+7292000x3+2500x2+2430x+729﻿

Expand: ﻿(−7x5−7x3)3\left(-7x^5-7x^3\right)^3(−7x5−7x3)3﻿

﻿−343x15−1029x13−1029x11−343x9-343x^{15}-1029x^{13}-1029x^{11}-343x^9−343x15−1029x13−1029x11−343x9﻿

﻿27x12+243x8+729x4+72927x^{12}+243x^8+729x^4+72927x12+243x8+729x4+729﻿

Expand: ﻿(−10xy+9z)3\left(-10xy+9z\right)^3(−10xy+9z)3﻿

﻿−1000x3y3+2700x2y2z−2430xyz2+729z3-1000x^3y^3+2700x^2y^2z-2430xyz^2+729z^3−1000x3y3+2700x2y2z−2430xyz2+729z3﻿

﻿125x3y3−975x3y2+2535x3y−2197x3125x^3y^3-975x^3y^2+2535x^3y-2197x^3125x3y3−975x3y2+2535x3y−2197x3﻿

Incorrect

Great!

Expand: $\left(-15x-6\right)^3$

$-3375x^3-4050x^2-1620x-216$

$512x^3-2112x^2+2904x-1331$

Expand: $\left(-11x^3+7x\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$-1331x^9+2541x^7-1617x^5+343x^3$

Expand: $\left(5xy-13x\right)^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$

$-3375x^3-4050x^2-1620x-216$

Expand: $\left(-12x+4\right)^3$

$512x^3-2112x^2+2904x-1331$

$-1728x^3+1728x^2-576x+64$

Expand: $\left(3x^4+9\right)^3$

$27x^{12}+243x^8+729x^4+729$

$27x^{12}+243x^8+729x^3+729$

Expand: $\left(8x-11\right)^3$

$512x^3-2112x^2+2904x-1331$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(15x+9x^2\right)^3$

$729x^6+3645x^5+6075x^4+3375x^3$

$144x^{10}-456x^8-361x^6$

Expand: $\left(10x+9\right)^3$

$1000x^3+2700x^2+2430x+729$

$2000x^3+2500x^2+2430x+729$

Expand: $\left(-7x^5-7x^3\right)^3$

$-343x^{15}-1029x^{13}-1029x^{11}-343x^9$

$27x^{12}+243x^8+729x^4+729$

Expand: $\left(-10xy+9z\right)^3$

$-1000x^3y^3+2700x^2y^2z-2430xyz^2+729z^3$

$125x^3y^3-975x^3y^2+2535x^3y-2197x^3$