Question

Find the value of ‘m’ if (x + 6) is a factor of x^3 + 3x^2 + 4x + m.

Answer 1

as (X+6) is factor of x^3+3x^2+4x+m
zeros of this equipment put X=-6
-6^3+3(-6)^2+4(-6)+m=0
-216+108-24+m=0
m-132=0
m=132