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Simplifying x3 + -20x2 + mx + -540 = 0 Reorder the terms: -540 + mx + -20x2 + x3 = 0 Solving -540 + mx + -20x2 + x3 = 0 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '540' to each side of the equation. -540 + mx + -20x2 + 540 + x3 = 0 + 540 Reorder the terms: -540 + 540 + mx + -20x2 + x3 = 0 + 540 Combine like terms: -540 + 540 = 0 0 + mx + -20x2 + x3 = 0 + 540 mx + -20x2 + x3 = 0 + 540 Combine like terms: 0 + 540 = 540 mx + -20x2 + x3 = 540 Add '20x2' to each side of the equation. mx + -20x2 + 20x2 + x3 = 540 + 20x2 Combine like terms: -20x2 + 20x2 = 0 mx + 0 + x3 = 540 + 20x2 mx + x3 = 540 + 20x2 Add '-1x3' to each side of the equation. mx + x3 + -1x3 = 540 + 20x2 + -1x3 Combine like terms: x3 + -1x3 = 0 mx + 0 = 540 + 20x2 + -1x3 mx = 540 + 20x2 + -1x3 Divide each side by 'x'. m = 540x-1 + 20x + -1x2 Simplifying m = 540x-1 + 20x + -1x2
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