-) = 7y (= 9y=19 – InterviewSolution

1.	-) = 7y (= 9y=19
Answer» (x-7)(x-9) = 195x^2 - 9x - 7x + 63 = 195x^2 - 16x - 132 = 0x^2 - 22x + 6x - 132 = 0x(x - 22) + 6(x - 22)=0(x+6)(x-22)=0x = - 6, 22 ans

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