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Simplifying x2 + -9x + 4ifx = -7 + 9i Reorder the terms: 4fix + -9x + x2 = -7 + 9i Solving 4fix + -9x + x2 = -7 + 9i Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '9x' to each side of the equation. 4fix + -9x + 9x + x2 = -7 + 9i + 9x Combine like terms: -9x + 9x = 0 4fix + 0 + x2 = -7 + 9i + 9x 4fix + x2 = -7 + 9i + 9x Add '-1x2' to each side of the equation. 4fix + x2 + -1x2 = -7 + 9i + 9x + -1x2 Combine like terms: x2 + -1x2 = 0 4fix + 0 = -7 + 9i + 9x + -1x2 4fix = -7 + 9i + 9x + -1x2 Divide each side by '4ix'. f = -1.75i-1x-1 + 2.25x-1 + 2.25i-1 + -0.25i-1x Simplifying f = -1.75i-1x-1 + 2.25x-1 + 2.25i-1 + -0.25i-1x Reorder the terms: f = 2.25i-1 + -1.75i-1x-1 + -0.25i-1x + 2.25x-1
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