Question

find the value of the polynomial p(x)=8x,^2-3x+7,at x =-1and x=2
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Answer 1

let us put x:-1

8(-1)^2 -3(-1)+ 7

8+3+7

17

now let us put x:2

8(2)^-3(2)+7

8(4)-6+7

32+1

33