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kompoz [17]
2 years ago
5

Factor this expression completely and then place the factors in the proper location on the grid. Note:

Mathematics
1 answer:
Eddi Din [679]2 years ago
6 0
First we are going to group the terms that contains the common factor m in one parenthesis, and the other ones in another parenthesis:
mn-4m-5n+20
(mn-4m)-(5n+20)
Notice that our the terms in our first parenthesis have a common factor m, and the terms in our second one have the common factor 5. Lets factor those out:
m(n-4)-5(n-4)
Now we have a common factor (n-4) in both terms, so we can factor those out as well:
(n-4)(m-5)

We can conclude that the completely factored expression ordered alphabetically is (m-5)(n-4).
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