Question

Determine if x+2 is a factor of p(x)=x^4+2x^3+4x^2-3

Answer 1

p(x)=13

Explanation:

x+2 is the factor

Let x+2=0=>x=-2

Putting in the above polynomial

P(-2)=(-2)⁴+2(-2)³+4(-2)²-3

=16+2(-8)+4(4)-3

=16-16+16-3

=16-3

=13