Factor.
-$9 z^{2}+6 z y-8 y^{2}$
A) $(3 z+2 y)(3 z-4 y)$
B) $(9 z+y)(z-8 y)$
C) $(9 z-2 y)(z+4 y)$
D) $(3 z-2 y)(3 z+4 y)$

Name: Factor. -$9 z^{2}+6 z y-8 y^{2}$ A) $(3 z+2 y)(3 z-4 y)$ B) $(9 z+y)(z-8 y)$ C) $(9 z-2 y)(z+4 y)$ D) $(3 z-2 y)(3 z+4 y)$
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Question

Quizplus · Accepted Answer

Factoring by grouping:$9 z^{2}+6 z y-8 y^{2}$$\Rightarrow (9 z^{2}+6 z y)-(8 y^{2})$$\Rightarrow 3 z(3 z+2 y)-8 y^{2}$$\Rightarrow (3 z+2 y)(3 z-4 y)$

Factor - 9z2+6zy−8y29 z^{2}+6 z y-8 y^{2}9z2+6zy−8y2 A) (3z+2y)(3z−4y)(3 z+2 y)(3 z-4 y)(3z+2y)(3z−4y)

Factor
- $9 z^{2}+6 z y-8 y^{2}$ A) $(3 z+2 y)(3 z-4 y)$