SOLUTION: Expand the brackets in the following expressions. 1) (2m − 9)(5m + 4) 2) (3m − 5t)2 Square

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Question 842712: Expand the brackets in the following expressions.
1) (2m − 9)(5m + 4)
2) (3m − 5t)2 Square

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the FOIL Method,
I'll do the first, you do the same for the second.
%282m-9%29%285m%2B4%29=2m%2A5m%2B2m%2A4%2B5m%2A%28-9%29%2B%28-9%29%284%29
%282m-9%29%285m%2B4%29=10m%5E2%2B8m-45m-36
%282m-9%29%285m%2B4%29=10m%5E2-37m-36