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2 votes
Factor each expression
1. 3n + 9
2. t² + 4t
3. 15 + 20x

User Mardoxx
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1 Answer

3 votes
1... 3 (n + 3)
2... t (t + 4)
3... 5 (3 + 4x)

The trick to all of these is finding common factors, then taking them out... IT's pretty easy once you get the hang of it.
User Matt Forsythe
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