(-16-27i)(-4+2i)=

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Solution for (-16-27i)(-4+2i)= equation:


Simplifying
(-16 + -27i)(-4 + 2i) = 0

Multiply (-16 + -27i) * (-4 + 2i)
(-16(-4 + 2i) + -27i * (-4 + 2i)) = 0
((-4 * -16 + 2i * -16) + -27i * (-4 + 2i)) = 0
((64 + -32i) + -27i * (-4 + 2i)) = 0
(64 + -32i + (-4 * -27i + 2i * -27i)) = 0
(64 + -32i + (108i + -54i2)) = 0

Combine like terms: -32i + 108i = 76i
(64 + 76i + -54i2) = 0

Solving
64 + 76i + -54i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '2'.
2(32 + 38i + -27i2) = 0

Factor a trinomial.
2((2 + -1i)(16 + 27i)) = 0

Ignore the factor 2.

Subproblem 1

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

Subproblem 2

Set the factor '(16 + 27i)' equal to zero and attempt to solve: Simplifying 16 + 27i = 0 Solving 16 + 27i = 0 Move all terms containing i to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + 27i = 0 + -16 Combine like terms: 16 + -16 = 0 0 + 27i = 0 + -16 27i = 0 + -16 Combine like terms: 0 + -16 = -16 27i = -16 Divide each side by '27'. i = -0.5925925926 Simplifying i = -0.5925925926

Solution

i = {2, -0.5925925926}

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