If 5^x = 7, then 5^x+2 =

Question

A. 9
B. 14
C. 49
D. 175

How is 5 to the x equal to 7 possible, and how do I solve this?

Answer 1

5^(x+2) = (5^x)(5^2) = 7*25 = 175

However, as you wrote it,

5^x+2 = 7+2 = 9

Parentheses are important!