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

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


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

Multiply (6 + -4i) * (2 + 6i)
(6(2 + 6i) + -4i * (2 + 6i)) = 0
((2 * 6 + 6i * 6) + -4i * (2 + 6i)) = 0
((12 + 36i) + -4i * (2 + 6i)) = 0
(12 + 36i + (2 * -4i + 6i * -4i)) = 0
(12 + 36i + (-8i + -24i2)) = 0

Combine like terms: 36i + -8i = 28i
(12 + 28i + -24i2) = 0

Solving
12 + 28i + -24i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '4'.
4(3 + 7i + -6i2) = 0

Factor a trinomial.
4((3 + -2i)(1 + 3i)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(3 + -2i)' equal to zero and attempt to solve: Simplifying 3 + -2i = 0 Solving 3 + -2i = 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 + -2i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2i = 0 + -3 -2i = 0 + -3 Combine like terms: 0 + -3 = -3 -2i = -3 Divide each side by '-2'. i = 1.5 Simplifying i = 1.5

Subproblem 2

Set the factor '(1 + 3i)' equal to zero and attempt to solve: Simplifying 1 + 3i = 0 Solving 1 + 3i = 0 Move all terms containing i to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3i = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3i = 0 + -1 3i = 0 + -1 Combine like terms: 0 + -1 = -1 3i = -1 Divide each side by '3'. i = -0.3333333333 Simplifying i = -0.3333333333

Solution

i = {1.5, -0.3333333333}

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