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  • 24-08-2016
  • Mathematics
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ab(a+2b-c)??? , help me

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Аноним Аноним
  • 24-08-2016
ab×(a+2b-c)

1] ab×a+ab×2b-ab×c
2] [tex] a^{1+1} [/tex] b+ab×2b-ab×c
3] a²b+ab×2b-ab×c
4] a²b+[tex] ab^{1+1} [/tex] ×2-ab×c
5] a²b+ab²×2-ab×c
6] a²b+2ab²-ab×c

Answer= a²b+2ab²-abc
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