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Simplifying -2i(5 + -4i) = 0 (5 * -2i + -4i * -2i) = 0 (-10i + 8i2) = 0 Solving -10i + 8i2 = 0 Solving for variable 'i'. Factor out the Greatest Common Factor (GCF), '2i'. 2i(-5 + 4i) = 0 Ignore the factor 2.Subproblem 1
Set the factor 'i' equal to zero and attempt to solve: Simplifying i = 0 Solving i = 0 Move all terms containing i to the left, all other terms to the right. Simplifying i = 0Subproblem 2
Set the factor '(-5 + 4i)' equal to zero and attempt to solve: Simplifying -5 + 4i = 0 Solving -5 + 4i = 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 + 4i = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 4i = 0 + 5 4i = 0 + 5 Combine like terms: 0 + 5 = 5 4i = 5 Divide each side by '4'. i = 1.25 Simplifying i = 1.25Solution
i = {0, 1.25}
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