Question

for what value of k is X + 2 a factor of 4 x to the power 4 + 2 x cube minus 3 X square + 8 x + 5 k

Answer 1

hope this help........

Answer 2

hey,here is ur ans....
x+2=0
x = 0-2 =-2
4(-2)power4 +2(-2)cube -3(-2)square +8(-2) +5(k)=0
4*16 -16-12-16+5(k) = 0
64-28-16 +5(k) =0
64-44+5(k) =0
5(k) = 0-20
k = -20/5
k = -4
hope it will help u...