Question

X + 6 is a factor of f of x is equal to x cube + 3 X square + 4 x + P then value of P

Answer 1

I have solved by this way..I don't know is it correct or not

Answer 2

x^3 + 3x^2 +4x+p
x+6=0
x=-6
(-6)^3 +3(-6)^2 +4(-6)+p=0
-216+108-24+p=0
-108-24+p=0
-132+p=0
p=132 is answer