Question

For which value k is the polynomial
P(x) =
2x³ - Kx²+3x +10 exactly
divisible by(x+2)?
​

Answer 1

HOPE THIS HELPS.......

Answer 2

Answer:

2x³-kx²+3x+10

X+2

X+2=0

X= -2

now put the value of X in the polynomial

2(-2)³-k(-2)²+3(-2)+10=0

2(-8)-k(4)-6+10=0

-16-4k+4=10

-12-4k=0

-4k=12

k=-3