Question

Factor completely: 6x^2-xy-12y^2

Answer 1

\[6 x^2-x y-12 y^2=(2 x-3 y) (3 x+4 y) \]

Answer 2

How did you get that answer?

Answer 3

\[6x^2-xy-12y^2\]\[\implies6x^2-4xy+3xy-12y^2\]\[\implies2x(3x-2y)+3y(x-4y)\]\[(2x+3y)(3x-2y)(x-4y)\]

Answer 4

Why did it go from -xy to -4xy + 3xy?

Answer 5

Sorry, I'm not too good with factoring when the first term is greater than 1.

Answer 6

wait

Answer 7

use this www.wolframalpha.com