(2+4j)(3)=

Solution for (2+4j)(3)= equation:

Simplifying
(2 + 4j)(3) = 0

Reorder the terms for easier multiplication:
3(2 + 4j) = 0
(2 * 3 + 4j * 3) = 0
(6 + 12j) = 0

Solving
6 + 12j = 0

Solving for variable 'j'.

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

Add '-6' to each side of the equation.
6 + -6 + 12j = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 12j = 0 + -6
12j = 0 + -6

Combine like terms: 0 + -6 = -6
12j = -6

Divide each side by '12'.
j = -0.5

Simplifying
j = -0.5