Math, asked by revati242, 11 days ago

find the value of polynomials 5x + 7x^2 - 8 at x=-2

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Answered by khairnarsanskriti

0

5x+ 7x^2 -8 = 5(-2)+7(-2)^2-8 = -10+ 7(4) -8 = -10 + 28 -8 = -18+28 = 10

Answered by beargrizzly110

0

${ \boxed{ \huge{ \tt{ \color{Purple}{Answer \::10}}}}}$

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