-2i*(-2i)=

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Solution for -2i*(-2i)= equation: 


Simplifying
-2i(-2i) = 0

Remove parenthesis around (-2i)
-2i * -2i = 0

Reorder the terms for easier multiplication:
-2 * -2i * i = 0

Multiply -2 * -2
4i * i = 0

Multiply i * i
4i2 = 0

Solving
4i2 = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Divide each side by '4'.
i2 = 0

Simplifying
i2 = 0

Take the square root of each side:
i = {0}

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