SOLUTION: I have been asked to factor this and not sure exactly what I am to do. Please show me the way to factor this 6m - 6n - 60 = ? Thanks so much for the help.

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Factor:
Look for a common factor in each of the three terms. You can rewrite this expression showing the prime factors of each term
Notice that 2*3 appears in each of the three terms, so 2*3 is a common factor.
so the 2*3 can be taken outside the parentheses, thus:
but since the 2*3 = 6, so you can replace it.
this is then factored.
To check the answer, you would apply the "distributive property":
=