(-4i)(2i)=

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


Simplifying
(-4i)(2i) = 0

Remove parenthesis around (-4i)
-4i(2i) = 0

Remove parenthesis around (2i)
-4i * 2i = 0

Reorder the terms for easier multiplication:
-4 * 2i * i = 0

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

Multiply i * i
-8i2 = 0

Solving
-8i2 = 0

Solving for variable 'i'.

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

Divide each side by '-8'.
i2 = 0

Simplifying
i2 = 0

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

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