Seudónimo Seudónimo
  • 24-01-2017
  • Mathematics
contestada

1) 4x + 2x + 3x =
2)4(7x + 5y) =
Can you please help me??

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Аноним Аноним
  • 24-01-2017
1)4x + 2x + 3x 
   6x + 3x
       9x

2)4(7x + 5x)={4 x 7x + (5y x 4)}
             28x + 20x
                  48x
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