(2+2i)(4-3i)=

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Solution for (2+2i)(4-3i)= equation:


Simplifying
(2 + 2i)(4 + -3i) = 0

Multiply (2 + 2i) * (4 + -3i)
(2(4 + -3i) + 2i * (4 + -3i)) = 0
((4 * 2 + -3i * 2) + 2i * (4 + -3i)) = 0
((8 + -6i) + 2i * (4 + -3i)) = 0
(8 + -6i + (4 * 2i + -3i * 2i)) = 0
(8 + -6i + (8i + -6i2)) = 0

Combine like terms: -6i + 8i = 2i
(8 + 2i + -6i2) = 0

Solving
8 + 2i + -6i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + i + -3i2) = 0

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

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

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

Solution

i = {1.333333333, -1}

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