Question

find the value of k if the p(x)=
2x 3 - kx² + 3x + 10
is exactly
divisible by x+2​

Answer 1

x + 2 = 0

x = -2

now

putting the value of x in equation

2x 3 - kx² + 3x + 10 =0

-2*2^3 - k2^2 -6+ 10=0

-16 - 4k - 6 + 10=0

-4k = 12

k = -3

Answer 2

Answer:

hola mate

see the attachment

hope it helps you