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Simplifying X2 + 2x + 9 = x2 + -4 Reorder the terms: 9 + X2 + 2x = x2 + -4 Reorder the terms: 9 + X2 + 2x = -4 + x2 Solving 9 + X2 + 2x = -4 + x2 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + X2 + -9 + 2x = -4 + -9 + x2 Reorder the terms: 9 + -9 + X2 + 2x = -4 + -9 + x2 Combine like terms: 9 + -9 = 0 0 + X2 + 2x = -4 + -9 + x2 X2 + 2x = -4 + -9 + x2 Combine like terms: -4 + -9 = -13 X2 + 2x = -13 + x2 Add '-2x' to each side of the equation. X2 + 2x + -2x = -13 + -2x + x2 Combine like terms: 2x + -2x = 0 X2 + 0 = -13 + -2x + x2 X2 = -13 + -2x + x2 Simplifying X2 = -13 + -2x + x2 Reorder the terms: 13 + X2 + 2x + -1x2 = -13 + -2x + x2 + 13 + 2x + -1x2 Reorder the terms: 13 + X2 + 2x + -1x2 = -13 + 13 + -2x + 2x + x2 + -1x2 Combine like terms: -13 + 13 = 0 13 + X2 + 2x + -1x2 = 0 + -2x + 2x + x2 + -1x2 13 + X2 + 2x + -1x2 = -2x + 2x + x2 + -1x2 Combine like terms: -2x + 2x = 0 13 + X2 + 2x + -1x2 = 0 + x2 + -1x2 13 + X2 + 2x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 13 + X2 + 2x + -1x2 = 0 The solution to this equation could not be determined.
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