(3i)(-5i)=

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Solution for (3i)(-5i)= equation: 


Simplifying
(3i)(-5i) = 0

Remove parenthesis around (3i)
3i(-5i) = 0

Remove parenthesis around (-5i)
3i * -5i = 0

Reorder the terms for easier multiplication:
3 * -5i * i = 0

Multiply 3 * -5
-15i * i = 0

Multiply i * i
-15i2 = 0

Solving
-15i2 = 0

Solving for variable 'i'.

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

Divide each side by '-15'.
i2 = 0

Simplifying
i2 = 0

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

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