(-3)(4i)(7i)=

Solution for (-3)(4i)(7i)= equation:

Simplifying
(-3)(4i)(7i) = 0

Remove parenthesis around (4i)
-3 * 4i(7i) = 0

Remove parenthesis around (7i)
-3 * 4i * 7i = 0

Reorder the terms for easier multiplication:
-3 * 4 * 7i * i = 0

Multiply -3 * 4
-12 * 7i * i = 0

Multiply -12 * 7
-84i * i = 0

Multiply i * i
-84i2 = 0

Solving
-84i2 = 0

Solving for variable 'i'.

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

Divide each side by '-84'.
i2 = 0

Simplifying
i2 = 0

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