(-12+8i)(10-i)=

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Solution for (-12+8i)(10-i)= equation:


Simplifying
(-12 + 8i)(10 + -1i) = 0

Multiply (-12 + 8i) * (10 + -1i)
(-12(10 + -1i) + 8i * (10 + -1i)) = 0
((10 * -12 + -1i * -12) + 8i * (10 + -1i)) = 0
((-120 + 12i) + 8i * (10 + -1i)) = 0
(-120 + 12i + (10 * 8i + -1i * 8i)) = 0
(-120 + 12i + (80i + -8i2)) = 0

Combine like terms: 12i + 80i = 92i
(-120 + 92i + -8i2) = 0

Solving
-120 + 92i + -8i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-30 + 23i + -2i2) = 0

Factor a trinomial.
4((-10 + i)(3 + -2i)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-10 + i)' equal to zero and attempt to solve: Simplifying -10 + i = 0 Solving -10 + i = 0 Move all terms containing i to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + i = 0 + 10 Combine like terms: -10 + 10 = 0 0 + i = 0 + 10 i = 0 + 10 Combine like terms: 0 + 10 = 10 i = 10 Simplifying i = 10

Subproblem 2

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

Solution

i = {10, 1.5}

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