(6-5i)(8+9i)=0

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Solution for (6-5i)(8+9i)=0 equation:


Simplifying
(6 + -5i)(8 + 9i) = 0

Multiply (6 + -5i) * (8 + 9i)
(6(8 + 9i) + -5i * (8 + 9i)) = 0
((8 * 6 + 9i * 6) + -5i * (8 + 9i)) = 0
((48 + 54i) + -5i * (8 + 9i)) = 0
(48 + 54i + (8 * -5i + 9i * -5i)) = 0
(48 + 54i + (-40i + -45i2)) = 0

Combine like terms: 54i + -40i = 14i
(48 + 14i + -45i2) = 0

Solving
48 + 14i + -45i2 = 0

Solving for variable 'i'.

Factor a trinomial.
(6 + -5i)(8 + 9i) = 0

Subproblem 1

Set the factor '(6 + -5i)' equal to zero and attempt to solve: Simplifying 6 + -5i = 0 Solving 6 + -5i = 0 Move all terms containing i to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5i = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5i = 0 + -6 -5i = 0 + -6 Combine like terms: 0 + -6 = -6 -5i = -6 Divide each side by '-5'. i = 1.2 Simplifying i = 1.2

Subproblem 2

Set the factor '(8 + 9i)' equal to zero and attempt to solve: Simplifying 8 + 9i = 0 Solving 8 + 9i = 0 Move all terms containing i to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 9i = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 9i = 0 + -8 9i = 0 + -8 Combine like terms: 0 + -8 = -8 9i = -8 Divide each side by '9'. i = -0.8888888889 Simplifying i = -0.8888888889

Solution

i = {1.2, -0.8888888889}

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