SOLUTION: How do you complete a square? Ex: M to the second power - 20m.

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Question 74916: How do you complete a square? Ex: M to the second power - 20m.
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
m^2 - 20m = 0 Regular Formula
(m^2 - 20m) = 0 Group for Ease
(m - 10)^2 = 100 The m^2 has coefficient as 1 so change to m^1 and take half of (m) ... don't forget to add the number squared! (-10)^2
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(m - 10)^2 = 100
m^2 - 20m + 100 = 100