idk179 idk179
  • 07-05-2017
  • Mathematics
contestada

3(6(x-1)+3)-(2(3x-1)+3)

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Аноним Аноним
  • 07-05-2017
The answer is 12x-10
Answer Link
raymone1891 raymone1891
  • 07-05-2017
   (3•((6•(x-1))+3))-(2•(3x-1)+3)
  (3 • (6 • (x - 1) +  3)) -  (6x + 1)
   6x - 3  =   3 • (2x - 1) 
  9 • (2x - 1) -  (6x + 1)
   12x - 10  =   2 • (6x - 5) 
  2 • (6x - 5)
Answer Link

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