Staza, let's break them both down.
75 = 3 x 5 x 5
20 = 2 x 2 x 5
What do they have in common? 5, which is what goes out front. What's left goes in the parentheses.
75 + 20 = 5(15 + 4)
Staza W.
asked 11/16/16Arthur D. answered 11/16/16
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