12(2)^x+3+6=42 (X+3 is raised to the power of 2 only)

Answer 1

In what you wrote, I don't see (x+3) being raised to the power of 2. I see 2 being raised to the power of (x+3).

Please try again to write or describe the situation more clearly.

Answer 2

oops that's what i meant!