Question

p(x) = 2x3 + x2 – 2x-1, g(x)=x+1​

Answer 1

-7

Step-by-step explanation:

give g(x) =x+1 we know g(x) =0

g(x) =x+1=0

then x=-1

2×(-1) ×3+-1×2-2×-1_1

=-6-2+2-1

=-7

hence x=-7