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Simplifying X2 + -1x + -15 = x(x + 1) Reorder the terms: -15 + X2 + -1x = x(x + 1) Reorder the terms: -15 + X2 + -1x = x(1 + x) -15 + X2 + -1x = (1 * x + x * x) -15 + X2 + -1x = (1x + x2) Solving -15 + X2 + -1x = 1x + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '15' to each side of the equation. -15 + X2 + 15 + -1x = 1x + 15 + x2 Reorder the terms: -15 + 15 + X2 + -1x = 1x + 15 + x2 Combine like terms: -15 + 15 = 0 0 + X2 + -1x = 1x + 15 + x2 X2 + -1x = 1x + 15 + x2 Reorder the terms: X2 + -1x = 15 + 1x + x2 Add 'x' to each side of the equation. X2 + -1x + x = 15 + 1x + x + x2 Combine like terms: -1x + x = 0 X2 + 0 = 15 + 1x + x + x2 X2 = 15 + 1x + x + x2 Combine like terms: 1x + x = 2x X2 = 15 + 2x + x2 Simplifying X2 = 15 + 2x + x2 Reorder the terms: -15 + X2 + -2x + -1x2 = 15 + 2x + x2 + -15 + -2x + -1x2 Reorder the terms: -15 + X2 + -2x + -1x2 = 15 + -15 + 2x + -2x + x2 + -1x2 Combine like terms: 15 + -15 = 0 -15 + X2 + -2x + -1x2 = 0 + 2x + -2x + x2 + -1x2 -15 + X2 + -2x + -1x2 = 2x + -2x + x2 + -1x2 Combine like terms: 2x + -2x = 0 -15 + X2 + -2x + -1x2 = 0 + x2 + -1x2 -15 + X2 + -2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -15 + X2 + -2x + -1x2 = 0 The solution to this equation could not be determined.
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