(-7i)(-8i)-2=

Solution for (-7i)(-8i)-2= equation:

Simplifying
(-7i)(-8i) + -2 = 0

Remove parenthesis around (-7i)
-7i(-8i) + -2 = 0

Remove parenthesis around (-8i)
-7i * -8i + -2 = 0

Reorder the terms for easier multiplication:
-7 * -8i * i + -2 = 0

Multiply -7 * -8
56i * i + -2 = 0

Multiply i * i
56i2 + -2 = 0

Reorder the terms:
-2 + 56i2 = 0

Solving
-2 + 56i2 = 0

Solving for variable 'i'.

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

Add '2' to each side of the equation.
-2 + 2 + 56i2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 56i2 = 0 + 2
56i2 = 0 + 2

Combine like terms: 0 + 2 = 2
56i2 = 2

Divide each side by '56'.
i2 = 0.03571428571

Simplifying
i2 = 0.03571428571

Take the square root of each side:
i = {-0.188982236, 0.188982236}