Question

Find the value of k so that 2x+4 is a factor of 8x^3 -38x^2 +50x +k

Answer 1

Step-by-step explanation:

2x+4=0

x=-4/2

x= -2

Now put this value of x in the given equation.

8*(2^3)-38*(-2^2)+50*(-2)+k=0

8*(2^3)-38*(-2^2)+50*(-2)= -k

-k = -64-152-100

-k= - 316

so

k=316.