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Simplifying X2 + 2x + 12 = 15 Reorder the terms: 12 + X2 + 2x = 15 Solving 12 + X2 + 2x = 15 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + X2 + -12 + 2x = 15 + -12 Reorder the terms: 12 + -12 + X2 + 2x = 15 + -12 Combine like terms: 12 + -12 = 0 0 + X2 + 2x = 15 + -12 X2 + 2x = 15 + -12 Combine like terms: 15 + -12 = 3 X2 + 2x = 3 Add '-2x' to each side of the equation. X2 + 2x + -2x = 3 + -2x Combine like terms: 2x + -2x = 0 X2 + 0 = 3 + -2x X2 = 3 + -2x Simplifying X2 = 3 + -2x Reorder the terms: -3 + X2 + 2x = 3 + -2x + -3 + 2x Reorder the terms: -3 + X2 + 2x = 3 + -3 + -2x + 2x Combine like terms: 3 + -3 = 0 -3 + X2 + 2x = 0 + -2x + 2x -3 + X2 + 2x = -2x + 2x Combine like terms: -2x + 2x = 0 -3 + X2 + 2x = 0 The solution to this equation could not be determined.
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