1.

7x2-9x+2

Answer»

7x^2 - 9x + 2 = 0=> 7x^2 - 7x - 2x + 2 = 0=> 7x (x - 1) - 1 (x - 1) = 0=> (7x - 1)(x - 1) = 0=> x = 1/7, 1.

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