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X square - 2 x + 1 equal to zero |
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Answer» x2 -2x + 1 = 0x2 - 1x - 1x + 1 = 0\xa0x ( x - 1) - a (x - 1) = 0(x - 1) (x - 1) = 0x - 1 = 0\xa0x = 1 X=1 |
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