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Simplifying (2 + -1i)(5 + -6i) = 0 Multiply (2 + -1i) * (5 + -6i) (2(5 + -6i) + -1i * (5 + -6i)) = 0 ((5 * 2 + -6i * 2) + -1i * (5 + -6i)) = 0 ((10 + -12i) + -1i * (5 + -6i)) = 0 (10 + -12i + (5 * -1i + -6i * -1i)) = 0 (10 + -12i + (-5i + 6i2)) = 0 Combine like terms: -12i + -5i = -17i (10 + -17i + 6i2) = 0 Solving 10 + -17i + 6i2 = 0 Solving for variable 'i'. Factor a trinomial. (5 + -6i)(2 + -1i) = 0Subproblem 1
Set the factor '(5 + -6i)' equal to zero and attempt to solve: Simplifying 5 + -6i = 0 Solving 5 + -6i = 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 + -6i = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -6i = 0 + -5 -6i = 0 + -5 Combine like terms: 0 + -5 = -5 -6i = -5 Divide each side by '-6'. i = 0.8333333333 Simplifying i = 0.8333333333Subproblem 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 = 2Solution
i = {0.8333333333, 2}
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