michael62 michael62

31-01-2017
Mathematics

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factor out the greatest common factor 6ab+9bc

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apologiabiology apologiabiology

31-01-2017

ab+ac=a(b+c)
a is common factor
factor

6ab=2*3*a*b
9bc=3*3*b*c
common factor is 3*b or 3b

3b(2a)+3b(3c)=3b(2a+3c)

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getttingitdone getttingitdone

31-01-2017

3b(2a + 3c) Both 6 and 9 are divisible by three and the b is in both parts of expression

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