(-2+5i)(-6+3i)=0

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Solution for (-2+5i)(-6+3i)=0 equation:


Simplifying
(-2 + 5i)(-6 + 3i) = 0

Multiply (-2 + 5i) * (-6 + 3i)
(-2(-6 + 3i) + 5i * (-6 + 3i)) = 0
((-6 * -2 + 3i * -2) + 5i * (-6 + 3i)) = 0
((12 + -6i) + 5i * (-6 + 3i)) = 0
(12 + -6i + (-6 * 5i + 3i * 5i)) = 0
(12 + -6i + (-30i + 15i2)) = 0

Combine like terms: -6i + -30i = -36i
(12 + -36i + 15i2) = 0

Solving
12 + -36i + 15i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '3'.
3(4 + -12i + 5i2) = 0

Factor a trinomial.
3((2 + -5i)(2 + -1i)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(2 + -5i)' equal to zero and attempt to solve: Simplifying 2 + -5i = 0 Solving 2 + -5i = 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 + -5i = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5i = 0 + -2 -5i = 0 + -2 Combine like terms: 0 + -2 = -2 -5i = -2 Divide each side by '-5'. i = 0.4 Simplifying i = 0.4

Subproblem 2

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

Solution

i = {0.4, 2}

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