Factor.
-$3 x^{2}-9 x y-12 y^{2}$
A) $3(x+y)(x-4 y)$
B) $(x-y)(3 x+9 y)$
C) $(3 x-3 y)(x+4 y)$
D) $3(x-y)(x+4 y)$

Name: Factor. -$3 x^{2}-9 x y-12 y^{2}$ A) $3(x+y)(x-4 y)$ B) $(x-y)(3 x+9 y)$ C) $(3 x-3 y)(x+4 y)$ D) $3(x-y)(x+4 y)$
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Question

Quizplus · Accepted Answer

The given expression can be factored by taking out the common factor of 3, resulting in $3(x^2 - 3xy - 4y^2)$. Further factoring the quadratic expression inside the parentheses gives $3(x+y)(x-4y)$.

Factor - 3x2−9xy−12y23 x^{2}-9 x y-12 y^{2}3x2−9xy−12y2 A) 3(x+y)(x−4y)3(x+y)(x-4 y)3(x+y)(x−4y) B) (x−y)(3x+9y)(x-y)(3 x+9 y)(x−y)(3x+9y)

Factor
- $3 x^{2}-9 x y-12 y^{2}$ A) $3(x+y)(x-4 y)$ B) $(x-y)(3 x+9 y)$