Question

find the value of the polynomial at x +2 x2 - x3 +2 at x=1​

Answer 1

Step-by-step explanation:

x+2x²-x³+2

1+2(1)²-(1)³+2

1+2-1+2

4

4 is the answee

Answer 2

Answer:

YOUR ANSWER 20

Step-by-step explanation:

Given: P(x)=x

2

−2x+5

Forx=−1, P(−1)=(−1)

2

−2(−1)+5=1+2+5=8

For x=5, P(5)=(5)

2

−2(5)+5=25−10+5=20

Hence P(−1)=8 and P(5)=20

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