Question

P(x) =2xcube- 11xsquare -4x + 5 G(x) =2x+1

Answer 1

G (x)=2x+1 =0
2x=_1
X=-1/2
P (x)=2x cube -11x square-4x +5
2×(-1/2) cube-11 (-1/2) square -4×-1/2 + 5
2×-1/8 -11 (1/4)+2+5
-1/4-11/4+7
-12/4 +7
-3+7 =4
So if g (x ) is not factor of p (x ).