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Simplifying (-10 + -5i) = 0 Remove parenthesis around (-10 + -5i) -10 + -5i = 0 Solving -10 + -5i = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -5i = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -5i = 0 + 10 -5i = 0 + 10 Combine like terms: 0 + 10 = 10 -5i = 10 Divide each side by '-5'. i = -2 Simplifying i = -2
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