Question

if -1 is the remainder when 3x(cube)-4mx+8 is divided by x+3. find m its urgent.. pls answer

Answer 1

might this help you my friend

Answer 2

p(x)=3x -4mx+8
p(-3)=-1
p(-3)=3(-3)^3-4m(-3)+8
-1=-81+12m+8
-1= -73+12m
12m=-1+73
12m=72
m=72/12
m=6


hope it helps.