Question

Which are steps that could be used to solve 0 = 9(x2 + 6x) – 18 by completing the square? Check all that apply.

18 + 81 = 9(x2 + 6x + 9)
18 + 9 = 9(x2 + 6x + 9)
18 + 36 = 9(x2 + 6x + 36)
11 = (x + 3)2
square root 342 = (x + 6)2
square root 99 = (x + 3)2

Answer 1

A and D

Explanation:

It's right on Edge

Answer 2

18 + 81 = 9(x2 + 6x + 9) and 11 = (x + 3)2

Step-by-step explanation

I took it on test