SOLUTION: (-2x) to the 4th power. How do you solve this equation?

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Question 632598: (-2x) to the 4th power. How do you solve this equation?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
(-2x) to the 4th power. How do you solve this equation?
%28-2x%29%5E4
this is equivalent to:
%28-2x%29%28-2x%29%28-2x%29%28-2x%29
an even number of negative numbers multiplies to be positive:
%282x%29%282x%29%282x%29%282x%29
%282%29%282%29%282%29%282%29%28x%29%28x%29%28x%29%28x%29
2%5E4x%5E4
16x%5E4