Question

6. Factor the expression.

9b2 + 48b + 64
A (3b + 8)2
B (-3b + 8)2
C (-3b - 82
D (3b - 8)2
70%​

Answer 1

A.
`(3b+8)^2`

Explanation:

`9b^2+48b +64\\=(3b)^2 + 2* 3b* 8 +(8)^2\\=(3b+8)^2`