(-2)2-4(-2)=

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Solution for (-2)2-4(-2)= equation: 


Simplifying
(-2) * 2 + -4(-2) = 0

Multiply -2 * 2
-4 + -4(-2) = 0

Multiply -4 * -2
-4 + 8 = 0

Combine like terms: -4 + 8 = 4
4 = 0

Solving
4 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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