Find the value of polynomials 5x + 7x^2 - 8 at x=-2 – InterviewSolution

1.	Find the value of polynomials 5x + 7x^2 - 8 at x=-2
Answer» 2 -8 = 5(-2)+7(-2)^2-8 = -10+ 7(4) -8 = -10 + 28 -8 = -18+28 = 10

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