SOLUTION: Which number must be added to m^2-6m to make it a perfect square?

Algebra ->  Square-cubic-other-roots -> SOLUTION: Which number must be added to m^2-6m to make it a perfect square?      Log On


   

Question 1012387: Which number must be added to m^2-6m to make it a perfect square?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
m^2 - 6m
Halve the -6 = 3
then multiply -3 by -3
= 9
Place 9 on the end of
m^2 - 6m + 9
= (m - 3)^2
Hope this helps :-)