Question

Find the value of the polynomial 2x3-7x2+x+5 when x=1
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Answer 1

Answer:

-2 is your answer

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Answer 2

Answer:

P(x) =2x³-7x²+x+5

P(1)=2(1)³-7(1)²+1+5

P(1)=2-7+1+5

P(1)=8-7

P(1)=1

Therefore the value of 2x³-7x²+x+5 is 1