Factorize completely 9y2 – 16X2
- (3y - 2x)(3y + 4x)
- (3y + 4x)(3y + 4x)
- (3y + 2x)(3y - 4x)
-
(3y - 4x)(3y + 4x)
The correct answer is: D
Explanation
9y2 - 16x2= 32y2 - 42x2
= (3y - 4x)(3y +4x)
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