(x+1) is a factor of the polynomial (a) x3+x2−x+1 (b) x3+2x2−x−2 (c) x3+2x2−x+2 (d) x4+x3+x2+1
x+1 is a factor of the polynomialA. x3+x2−x+1B. x3+x2+x+1C. x4+x3+x2+1D. x4+3x3+3x2+x+1