SOLUTION: This one is confusing me....can I get help please? Factor completely. 12x3 – 3xy2 A) 3x(4x – y)(x + y) C) 12x(x – 3y)(x – y) B) 3x(2x – y)2 D) 3x(2x + y)(2x – y)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: This one is confusing me....can I get help please? Factor completely. 12x3 – 3xy2 A) 3x(4x – y)(x + y) C) 12x(x – 3y)(x – y) B) 3x(2x – y)2 D) 3x(2x + y)(2x – y)       Log On


   

Question 45248: This one is confusing me....can I get help please?
Factor completely. 12x3 – 3xy2
A) 3x(4x – y)(x + y) C) 12x(x – 3y)(x – y)
B) 3x(2x – y)2 D) 3x(2x + y)(2x – y)
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
First take out the common factor of 3x
12x%5E3-3xy%5E2
3x%284x%5E2-y%5E2%29+

This leaves a difference of two squares, which factors:
3x%282x-y%29%282x%2By%29+

The correct answer is D

R^2 at SCC