# How do you factor #6x^2 - 18xy - 24y^2#?

##### 1 Answer

Apr 6, 2016

#### Answer:

6(x + y)(x - 4y)

#### Explanation:

To factor the trinomial f'(x,y) in parentheses, consider x as variable and y as a constant.

Since a - b + c = 0, use shortcut. The 2 factors are: (x + y) and (x + c/a = (x - 4y)

f'(x,y) = (x + y)(x - 4y)

f(x,y) = 6(x + y)(x - 4y)