Seudónimo Seudónimo
  • 09-08-2016
  • Mathematics
contestada

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

Respuesta :

gungirl1120
gungirl1120 gungirl1120
  • 09-08-2016
first step is to distribute: -6a-6b+9a+9b
then simplify:  3a+3b
Answer Link
ambaker ambaker
  • 09-08-2016
-6a+(-6b) + 9a +9b then you have to combine the like terms 
Answer Link

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