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Simplifying x2 + -4x + 85 = x2 + 2x + 2 Reorder the terms: 85 + -4x + x2 = x2 + 2x + 2 Reorder the terms: 85 + -4x + x2 = 2 + 2x + x2 Add '-1x2' to each side of the equation. 85 + -4x + x2 + -1x2 = 2 + 2x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 85 + -4x + 0 = 2 + 2x + x2 + -1x2 85 + -4x = 2 + 2x + x2 + -1x2 Combine like terms: x2 + -1x2 = 0 85 + -4x = 2 + 2x + 0 85 + -4x = 2 + 2x Solving 85 + -4x = 2 + 2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2x' to each side of the equation. 85 + -4x + -2x = 2 + 2x + -2x Combine like terms: -4x + -2x = -6x 85 + -6x = 2 + 2x + -2x Combine like terms: 2x + -2x = 0 85 + -6x = 2 + 0 85 + -6x = 2 Add '-85' to each side of the equation. 85 + -85 + -6x = 2 + -85 Combine like terms: 85 + -85 = 0 0 + -6x = 2 + -85 -6x = 2 + -85 Combine like terms: 2 + -85 = -83 -6x = -83 Divide each side by '-6'. x = 13.83333333 Simplifying x = 13.83333333
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