Question

4. Find the value of a if x + 6 is a factor of x^3 +3x^2 + 4x + a​

Answer 1

Step-by-step explanation:

X+6=0

X=-6

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

=>-216+108-24+a=0

=>a=132