|BSM

Questions

1 / 10

Time

Score

Square of a binomial

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$

Expand: $\left(-8xy+18x\right)^2$

$64x^2y^2-288x^2y+324x^2$

$64x^2y^2-288x^2y+324x^2y^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(-20x^3+10x\right)^2$

$400x^6-400x^4+100x^2$

$400x^6-500x^4+100x^2$

Expand: $\left(15x^2+21x^3\right)^2$

$441x^6+630x^5+225x^4$

$400x^6-500x^4+100x^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

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

$196x^2-234x+81$

$144x^8-168x^4+49$

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$

Questions

Time

Score

Square of a binomial

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$

Expand: $\left(-8xy+18x\right)^2$

$64x^2y^2-288x^2y+324x^2$

$64x^2y^2-288x^2y+324x^2y^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(-20x^3+10x\right)^2$

$400x^6-400x^4+100x^2$

$400x^6-500x^4+100x^2$

Expand: $\left(15x^2+21x^3\right)^2$

$441x^6+630x^5+225x^4$

$400x^6-500x^4+100x^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

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

$196x^2-234x+81$

$144x^8-168x^4+49$

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$

Incorrect

Great!

Questions

Time

Score

Square of a binomial

Expand:﻿(15x+5)2\left(15x+5\right)^2(15x+5)2﻿

﻿235x2+150x+25235x^2+150x+25235x2+150x+25﻿

﻿225x2+150x+25225x^2+150x+25225x2+150x+25﻿

Expand: ﻿(−8xy+18x)2\left(-8xy+18x\right)^2(−8xy+18x)2﻿

﻿64x2y2−288x2y+324x264x^2y^2-288x^2y+324x^264x2y2−288x2y+324x2﻿

﻿64x2y2−288x2y+324x2y264x^2y^2-288x^2y+324x^2y^264x2y2−288x2y+324x2y2﻿

Expand:﻿(13x−9)2\left(13x-9\right)^2(13x−9)2﻿

﻿169x2−234x+81169x^2-234x+81169x2−234x+81﻿

﻿196x2−234x+81196x^2-234x+81196x2−234x+81﻿

Expand: ﻿(19x3−12x5)2\left(19x^3-12x^5\right)^2(19x3−12x5)2﻿

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

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

Expand: ﻿(19x3−12x5)2\left(19x^3-12x^5\right)^2(19x3−12x5)2﻿

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

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

Expand: ﻿(−20x3+10x)2\left(-20x^3+10x\right)^2(−20x3+10x)2﻿

﻿400x6−400x4+100x2400x^6-400x^4+100x^2400x6−400x4+100x2﻿

﻿400x6−500x4+100x2400x^6-500x^4+100x^2400x6−500x4+100x2﻿

Expand: ﻿(15x2+21x3)2\left(15x^2+21x^3\right)^2(15x2+21x3)2﻿

﻿441x6+630x5+225x4441x^6+630x^5+225x^4441x6+630x5+225x4﻿

﻿400x6−500x4+100x2400x^6-500x^4+100x^2400x6−500x4+100x2﻿

Expand: ﻿(13x−9)2\left(13x-9\right)^2(13x−9)2﻿

﻿169x2−234x+81169x^2-234x+81169x2−234x+81﻿

﻿196x2−234x+81196x^2-234x+81196x2−234x+81﻿

Expand:﻿(12x4−7)2\left(12x^4-7\right)^2(12x4−7)2﻿

﻿196x2−234x+81196x^2-234x+81196x2−234x+81﻿

﻿144x8−168x4+49144x^8-168x^4+49144x8−168x4+49﻿

Expand: ﻿(15x+5)2\left(15x+5\right)^2(15x+5)2﻿

﻿235x2+150x+25235x^2+150x+25235x2+150x+25﻿

﻿225x2+150x+25225x^2+150x+25225x2+150x+25﻿

Incorrect

Great!

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$

Expand: $\left(-8xy+18x\right)^2$

$64x^2y^2-288x^2y+324x^2$

$64x^2y^2-288x^2y+324x^2y^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(19x^3-12x^5\right)^2$

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

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

Expand: $\left(-20x^3+10x\right)^2$

$400x^6-400x^4+100x^2$

$400x^6-500x^4+100x^2$

Expand: $\left(15x^2+21x^3\right)^2$

$441x^6+630x^5+225x^4$

$400x^6-500x^4+100x^2$

Expand: $\left(13x-9\right)^2$

$169x^2-234x+81$

$196x^2-234x+81$

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

$196x^2-234x+81$

$144x^8-168x^4+49$

Expand: $\left(15x+5\right)^2$

$235x^2+150x+25$

$225x^2+150x+25$