Question

22 + (3^2 – 4^2)

Answer 1

15

Answer 2

22+(3^2-4^2)=22+(9-16)=22+(-7)=22-7=15

Answer 3

First of all, you have to solve the exponential. Then, parenthesis. Finally, sum.

Answer 4

PEMDAS. In this case, exponents within parentheses, parentheses, then addition. So it's 22+(9-16) = 22 - 7 = 15