(-5-2i)(-1-i)=0

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Solution for (-5-2i)(-1-i)=0 equation:


Simplifying
(-5 + -2i)(-1 + -1i) = 0

Multiply (-5 + -2i) * (-1 + -1i)
(-5(-1 + -1i) + -2i * (-1 + -1i)) = 0
((-1 * -5 + -1i * -5) + -2i * (-1 + -1i)) = 0
((5 + 5i) + -2i * (-1 + -1i)) = 0
(5 + 5i + (-1 * -2i + -1i * -2i)) = 0
(5 + 5i + (2i + 2i2)) = 0

Combine like terms: 5i + 2i = 7i
(5 + 7i + 2i2) = 0

Solving
5 + 7i + 2i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(5 + 2i)(1 + i) = 0

Subproblem 1

Set the factor '(5 + 2i)' equal to zero and attempt to solve: Simplifying 5 + 2i = 0 Solving 5 + 2i = 0 Move all terms containing i to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2i = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2i = 0 + -5 2i = 0 + -5 Combine like terms: 0 + -5 = -5 2i = -5 Divide each side by '2'. i = -2.5 Simplifying i = -2.5

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 = {-2.5, -1}

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