Question

p(x)= -x power 6 + 5x power 5 + 3x power 3 +x+8 .
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Answer 1

Step-by-step explanation:

may be this question is incomplete dear friend !!!

Answer 2

p (x)=-x6+5x5+3x3+x+8

By Trial And Error Method

Let x=(-1)

p (x)=(-1)6+5 (-1)5+3 (-1)3+(-1)+8

=1+(-5)+3 (-1)+(-1)+8

= 1-5-3-1+8

=9-9

=0