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Simplifying X2 + 2x + 1 = x2 + -9 Reorder the terms: 1 + X2 + 2x = x2 + -9 Reorder the terms: 1 + X2 + 2x = -9 + x2 Solving 1 + X2 + 2x = -9 + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + X2 + -1 + 2x = -9 + -1 + x2 Reorder the terms: 1 + -1 + X2 + 2x = -9 + -1 + x2 Combine like terms: 1 + -1 = 0 0 + X2 + 2x = -9 + -1 + x2 X2 + 2x = -9 + -1 + x2 Combine like terms: -9 + -1 = -10 X2 + 2x = -10 + x2 Add '-2x' to each side of the equation. X2 + 2x + -2x = -10 + -2x + x2 Combine like terms: 2x + -2x = 0 X2 + 0 = -10 + -2x + x2 X2 = -10 + -2x + x2 Simplifying X2 = -10 + -2x + x2 Reorder the terms: 10 + X2 + 2x + -1x2 = -10 + -2x + x2 + 10 + 2x + -1x2 Reorder the terms: 10 + X2 + 2x + -1x2 = -10 + 10 + -2x + 2x + x2 + -1x2 Combine like terms: -10 + 10 = 0 10 + X2 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2 10 + X2 + 2x + -1x2 = -2x + 2x + x2 + -1x2 Combine like terms: -2x + 2x = 0 10 + X2 + 2x + -1x2 = 0 + x2 + -1x2 10 + X2 + 2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 10 + X2 + 2x + -1x2 = 0 The solution to this equation could not be determined.
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