SOLUTION: Please help me on my lesson regarding square of binomial (explaniation)....... example problem: (4m-9)squared

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Question 50361: Please help me on my lesson regarding square of binomial (explaniation).......
example problem:
(4m-9)squared
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(4m-9)^2
------------
(4m-9)(4m-9)
=(4m)(4m-9)-9(4m-9)
=16m^2-36m-36m+81
=16m^2-72m+81
Cheers,
Stan H.