Jawabanmu

2014-08-22T11:43:34+07:00
A. 8m pangkat 2 - 9m + 6n
b. 2x pangkat 2 +17xy + 2y
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Jawaban paling cerdas!
2014-08-22T12:04:11+07:00
A. 2m(4m-3)-3(m-2n)
8 m^{2} -6m-3m+6n
8m^{2}-9m+6n
b.7y+3x(4y-x)-5y(1-x)+5 x^{2} 
7y+12xy-3 x^{2} -5y+5xy+5 x^{2} 
2y+15xy+2x^{2}

semoga terbantu :)
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