Question

Determine without actual division whether x+ 1 is a factor of x^3 + x^2 +x + 1?​

Answer 1

answer= g(x) =x+1

x=-1

p(x) = x^3+x^2+x+1

= (-1)^3+(-1)^2+(-1)+1

=-1+1-1+1

=0