Question

if (x+1) is a factor the polynomial 2x^3_x^2_px_2; find the value of p

Answer 1

Answer:

5

Step-by-step explanation:

Let  P(x)  = 2x^3 - x^2 -px -2

x+1 is a factor. ⇒ P(-1) =0

P(-1) = 2(-1)^3 -(-1)^2 -p(-1) -2 =0

p =5