Question

The value of X for which the polynomials X square -1 and X square minus 2X +1 vanish simultaneously

Answer 1

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${x}^{2} = 1. \\ \\ \implies x = 1 \: \: and \: \: - 1.$

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${x}^{2} - 2x + 1. \\ \\ {x}^{2} - x - x + 1. \\ \\ \implies \: (x - 1)(x - 1) \\ \\ \implies x = 1.$

Answer 2

Here is your answer user.

Answer is 1 ,1