1 - X equals to 2 x square
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Answer:
1 - x = 2x²
2x² + x - 1 = 0
2x² + 2x - x - 1 = 0
2x(x + 1) - 1(x + 1) = 0
(2x - 1) (x + 1) = 0
2x = 1 or x = -1
x = 1/2 or x = -1
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