Question

(d) Find the value of polynomial 5x - 4x3 + 7 at x = -2​

Answer 1

Answer:

here your answer dear

x=-2

x=2

5x-4x3x+7

5(2)-4(2)3+7

10-8+10

2+10

12

Answer 2

Answer:

x=-2

putting value of x =-2 in polynomial

5x-4x3+7

5(-2)-4(-2)3+7

-10-4(-6)+7

-10-24+7

-34+7

-27

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