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

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


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

Multiply (8 + -6i) * (-4 + -4i)
(8(-4 + -4i) + -6i * (-4 + -4i)) = 0
((-4 * 8 + -4i * 8) + -6i * (-4 + -4i)) = 0
((-32 + -32i) + -6i * (-4 + -4i)) = 0
(-32 + -32i + (-4 * -6i + -4i * -6i)) = 0
(-32 + -32i + (24i + 24i2)) = 0

Combine like terms: -32i + 24i = -8i
(-32 + -8i + 24i2) = 0

Solving
-32 + -8i + 24i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '8'.
8(-4 + -1i + 3i2) = 0

Factor a trinomial.
8((-1 + -1i)(4 + -3i)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-1 + -1i)' equal to zero and attempt to solve: Simplifying -1 + -1i = 0 Solving -1 + -1i = 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 + -1i = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1i = 0 + 1 -1i = 0 + 1 Combine like terms: 0 + 1 = 1 -1i = 1 Divide each side by '-1'. i = -1 Simplifying i = -1

Subproblem 2

Set the factor '(4 + -3i)' equal to zero and attempt to solve: Simplifying 4 + -3i = 0 Solving 4 + -3i = 0 Move all terms containing i to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3i = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3i = 0 + -4 -3i = 0 + -4 Combine like terms: 0 + -4 = -4 -3i = -4 Divide each side by '-3'. i = 1.333333333 Simplifying i = 1.333333333

Solution

i = {-1, 1.333333333}

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