Question

(-4x^2)^2 simplify

Answer 1

you can try to solve this problem and the rest of your homework yourself by applying the formula:
\[ (x^a)^b = x^{a+b} \]

http://www.oojih.com/show/algebra/exponentrationalradical/

Answer 2

This case is a bit tricky, here is a hint: rewrite the problem to:
\[ (-4)^2 (x^2)^2 \]