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## Answers

Let

[x+2] is factor of p[x]

p[-2]=2*[-2]^3-13[-2]+6

=2*-8+26+6

=-16+26+6

=16

[x+2] is factor of p[x]

p[-2]=2*[-2]^3-13[-2]+6

=2*-8+26+6

=-16+26+6

=16

p(x)=2x³+x²-13x+6 and zero of (x+2) is -2

p(-2)=2(-2)³+(-2)²-13(-2)+6

=-16+4+26+6

=20