Question

If the zero of the polynomial 2x^3 + 3x^2-x+k is-1. then k=​

Answer 1

Answer:

k=2

Step-by-step explanation:

2(-1)^3 + 3(-1)^2- (-1+k)= 0

-2 + 3 +1 - k = 0

-2 + 4 -k = 0

-k = -2

k = 2