Allyissa Allyissa

23-09-2016
Mathematics

contestada

Factor. Check by multiplying. 12 + 20b

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apologiabiology apologiabiology

02-10-2016

4 is a common factor
4(3+5b)
multiply/distribute
4*3=12
4*5b=20b
12+20b

12+20b=4(3+5b)

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