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