Question

urgent !! find the value of the polynomial 3x 7x^2+2 at x=-2

Answer 1

Answer:

At x=3:-

3(3)^3-4(3)^2+7(3)-5=3*27-4*9+21-5=61

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when x= -3

3*(-3)^3-4*(-3)^2+7*(-3)-5= 3*(-27)-4*9+7*(-3)=-143

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