Question

What values of x make the equation x2 + 9x – 22 = 0 true? Check all that apply.

–11
–2
0
2
11

Answer 1

The answer is 2

This is because if you do 2•2 you get 4. 2•9 you get 18. Add 4+18=22
22-22=0

Answer 2

The correct answer is 2 and -11

Explanation: