Question

what is the value of the polynomial 4x³+7x²+x-2 when x= -1​

Answer 1

Step-by-step explanation:

when x= -1

(4-1³)+(7-1²)+-1-2

4-1+7+1-1-2

3+7+1-1-2

answer is 8

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Answer 2

Answer:

4 x (- 1)^3 + 7 x (-1)^2 + (- 1-2)

-4 +7 - 3

-7 + 7 = 0