Question

Find value of m, if x-1/2 is a factor of f(x)=x^3-3x^2-2mx+1

Answer 1

since x-1/2 is factor is factor
so x=1/2 is must be it's one solution
put x=1/2 and grab value of m

by putting

1/8-3/4-m+1=0
m=1+1/8-3/4
m=(8+1-6)/8

m=3/8 is your answer

Answer 2

Here is your answer
Hope it helps u