Factorize completely 9y2 - 16X2
A
(3y - 2x)(3y + 4x)
B
(3y + 4x)(3y + 4x)
C
(3y + 2x)(3y - 4x)
D
(3y - 4x)(3y + 4x)
Verified Correct Answer: D.
Step-by-Step Mathematical Solution
9y2 - 16x2
= 32y2 - 42x2
= (3y - 4x)(3y +4x)
Source: Myschool Past Questions Archive (Record #29378)