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1. solve the following (a) Solve −x 2 +2x = 1, by factorization. (b) Solve 5x...

1. solve the following (a) Solve −x 2 +2x = 1, by factorization. (b) Solve 5x 2 −4x −2 = 0, by completing the square. (c) Solve 5x 2 + x −1 = 0, by quadratic formula

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