35y²+13y-12 – InterviewSolution

1.

35y²+13y-12

Answer»

35y²+13y-12

the value of discriminant is ∆ = (13)²+4*35*12 = 1849

so, the value of y is = (-13±√1849)/70= (-13±43)/70= (-13+43)/70 , (-13-43)/70= 30/70 , -56/70= 3/7 , -4/5

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