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Simplifying (x + -2)(x + 2) + 18 = 12 Reorder the terms: (-2 + x)(x + 2) + 18 = 12 Reorder the terms: (-2 + x)(2 + x) + 18 = 12 Multiply (-2 + x) * (2 + x) (-2(2 + x) + x(2 + x)) + 18 = 12 ((2 * -2 + x * -2) + x(2 + x)) + 18 = 12 ((-4 + -2x) + x(2 + x)) + 18 = 12 (-4 + -2x + (2 * x + x * x)) + 18 = 12 (-4 + -2x + (2x + x2)) + 18 = 12 Combine like terms: -2x + 2x = 0 (-4 + 0 + x2) + 18 = 12 (-4 + x2) + 18 = 12 Reorder the terms: -4 + 18 + x2 = 12 Combine like terms: -4 + 18 = 14 14 + x2 = 12 Solving 14 + x2 = 12 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x2 = 12 + -14 Combine like terms: 14 + -14 = 0 0 + x2 = 12 + -14 x2 = 12 + -14 Combine like terms: 12 + -14 = -2 x2 = -2 Simplifying x2 = -2 Reorder the terms: 2 + x2 = -2 + 2 Combine like terms: -2 + 2 = 0 2 + x2 = 0 The solution to this equation could not be determined.
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