rosiana
rosiana
24-08-2016
Mathematics
contestada
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] a
²b+ab×2b-ab
×c
4] a
²b+[tex] ab^{1+1} [/tex] ×2-ab
×c
5] a
²b+ab²×2-ab
×c
6] a
²b+2ab²-ab
×c
Answer= a
²b+2ab²-abc
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