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Simplifying (x2 + -4x + 8) + -1(-1x2 + -4x + 7) = 0 Reorder the terms: (8 + -4x + x2) + -1(-1x2 + -4x + 7) = 0 Remove parenthesis around (8 + -4x + x2) 8 + -4x + x2 + -1(-1x2 + -4x + 7) = 0 Reorder the terms: 8 + -4x + x2 + -1(7 + -4x + -1x2) = 0 8 + -4x + x2 + (7 * -1 + -4x * -1 + -1x2 * -1) = 0 8 + -4x + x2 + (-7 + 4x + 1x2) = 0 Reorder the terms: 8 + -7 + -4x + 4x + x2 + 1x2 = 0 Combine like terms: 8 + -7 = 1 1 + -4x + 4x + x2 + 1x2 = 0 Combine like terms: -4x + 4x = 0 1 + 0 + x2 + 1x2 = 0 1 + x2 + 1x2 = 0 Combine like terms: x2 + 1x2 = 2x2 1 + 2x2 = 0 Solving 1 + 2x2 = 0 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 + -1 + 2x2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x2 = 0 + -1 2x2 = 0 + -1 Combine like terms: 0 + -1 = -1 2x2 = -1 Divide each side by '2'. x2 = -0.5 Simplifying x2 = -0.5 Reorder the terms: 0.5 + x2 = -0.5 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.5 + x2 = 0.0 The solution to this equation could not be determined.
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