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Simplifying [(1 + x2)(2x) + -1(x2)(2x)] = 0 Remove parenthesis around (2x) [(1 + x2) * 2x + -1(x2)(2x)] = 0 Reorder the terms for easier multiplication: [2x(1 + x2) + -1(x2)(2x)] = 0 [(1 * 2x + x2 * 2x) + -1(x2)(2x)] = 0 [(2x + 2x3) + -1(x2)(2x)] = 0 Remove parenthesis around (2x) [2x + 2x3 + -1x2 * 2x] = 0 Reorder the terms for easier multiplication: [2x + 2x3 + -1 * 2x2 * x] = 0 Multiply -1 * 2 [2x + 2x3 + -2x2 * x] = 0 Multiply x2 * x [2x + 2x3 + -2x3] = 0 Combine like terms: 2x3 + -2x3 = 0 [2x + 0] = 0 [2x] = 0 [2x] = 0 Solving [2x] = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '2'. x = 0 Simplifying x = 0
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