Question

Help for 20 points please

Answer 1

The Answer is 12 - 15= 129

Explanation:

x2−15=129

Step 1: Add 15 to both sides.

x2−15+15=129+15

x2=144

Step 2: Take square root.

x=±√144

x=12

Answer 2

I think that the answers to this question is going to be B