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Simplifying (28 + -31j) * 9j = 0 Reorder the terms for easier multiplication: 9j(28 + -31j) = 0 (28 * 9j + -31j * 9j) = 0 (252j + -279j2) = 0 Solving 252j + -279j2 = 0 Solving for variable 'j'. Factor out the Greatest Common Factor (GCF), '9j'. 9j(28 + -31j) = 0 Ignore the factor 9.Subproblem 1
Set the factor 'j' equal to zero and attempt to solve: Simplifying j = 0 Solving j = 0 Move all terms containing j to the left, all other terms to the right. Simplifying j = 0Subproblem 2
Set the factor '(28 + -31j)' equal to zero and attempt to solve: Simplifying 28 + -31j = 0 Solving 28 + -31j = 0 Move all terms containing j to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -31j = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -31j = 0 + -28 -31j = 0 + -28 Combine like terms: 0 + -28 = -28 -31j = -28 Divide each side by '-31'. j = 0.9032258065 Simplifying j = 0.9032258065Solution
j = {0, 0.9032258065}
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