(9i)(-8i)=

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Solution for (9i)(-8i)= equation: 


Simplifying
(9i)(-8i) = 0

Remove parenthesis around (9i)
9i(-8i) = 0

Remove parenthesis around (-8i)
9i * -8i = 0

Reorder the terms for easier multiplication:
9 * -8i * i = 0

Multiply 9 * -8
-72i * i = 0

Multiply i * i
-72i2 = 0

Solving
-72i2 = 0

Solving for variable 'i'.

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

Divide each side by '-72'.
i2 = 0

Simplifying
i2 = 0

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

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