(3+10i)2=

Solution for (3+10i)2= equation:

Simplifying
(3 + 10i) * 2 = 0

Reorder the terms for easier multiplication:
2(3 + 10i) = 0
(3 * 2 + 10i * 2) = 0
(6 + 20i) = 0

Solving
6 + 20i = 0

Solving for variable 'i'.

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

Add '-6' to each side of the equation.
6 + -6 + 20i = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 20i = 0 + -6
20i = 0 + -6

Combine like terms: 0 + -6 = -6
20i = -6

Divide each side by '20'.
i = -0.3

Simplifying
i = -0.3