Seudónimo Seudónimo

09-08-2016
Mathematics

contestada

need help with this -6(a+b) + 9(a+b)

Respuesta :

gungirl1120 gungirl1120

09-08-2016

first step is to distribute: -6a-6b+9a+9b
then simplify: 3a+3b

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ambaker ambaker

09-08-2016

-6a+(-6b) + 9a +9b then you have to combine the like terms

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