(-8+4i)(6+2i)=

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Solution for (-8+4i)(6+2i)= equation:


Simplifying
(-8 + 4i)(6 + 2i) = 0

Multiply (-8 + 4i) * (6 + 2i)
(-8(6 + 2i) + 4i * (6 + 2i)) = 0
((6 * -8 + 2i * -8) + 4i * (6 + 2i)) = 0
((-48 + -16i) + 4i * (6 + 2i)) = 0
(-48 + -16i + (6 * 4i + 2i * 4i)) = 0
(-48 + -16i + (24i + 8i2)) = 0

Combine like terms: -16i + 24i = 8i
(-48 + 8i + 8i2) = 0

Solving
-48 + 8i + 8i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-6 + i + i2) = 0

Factor a trinomial.
8((-3 + -1i)(2 + -1i)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-3 + -1i)' equal to zero and attempt to solve: Simplifying -3 + -1i = 0 Solving -3 + -1i = 0 Move all terms containing i to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1i = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1i = 0 + 3 -1i = 0 + 3 Combine like terms: 0 + 3 = 3 -1i = 3 Divide each side by '-1'. i = -3 Simplifying i = -3

Subproblem 2

Set the factor '(2 + -1i)' equal to zero and attempt to solve: Simplifying 2 + -1i = 0 Solving 2 + -1i = 0 Move all terms containing i to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1i = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1i = 0 + -2 -1i = 0 + -2 Combine like terms: 0 + -2 = -2 -1i = -2 Divide each side by '-1'. i = 2 Simplifying i = 2

Solution

i = {-3, 2}

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