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