Question

find the value of of a if X + 6 is a factor of x power 3 + 3 x power 2 + 4 x + a​

Answer 1

Step-by-step explanation:

1. g(x)=X+6
2. g(X) = 0
3. X+6=0
4. X=-6
5. now, (-6)^3 + 3(-6)^2+4(-6)+a =0
6. -216+108-24+a=0
7. -132+a=0
8. +a=132

so the value of a is 132 ..

hope it help you ..

thanks

Answer 2

Answer:

as x+6 is a factor the root will be

x+6=0

x=-6

in the equation

(-6)^3+3(-6)^2+4(-6)+a=0

-216+108-24+a=0

-240+108+a=0

a=132