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Simplifying x2 + -42x + 245 = x2 Reorder the terms: 245 + -42x + x2 = x2 Add '-1x2' to each side of the equation. 245 + -42x + x2 + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 245 + -42x + 0 = x2 + -1x2 245 + -42x = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 245 + -42x = 0 Solving 245 + -42x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-245' to each side of the equation. 245 + -245 + -42x = 0 + -245 Combine like terms: 245 + -245 = 0 0 + -42x = 0 + -245 -42x = 0 + -245 Combine like terms: 0 + -245 = -245 -42x = -245 Divide each side by '-42'. x = 5.833333333 Simplifying x = 5.833333333
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