номер 2
1)12ху-6х²°6х(2у-х)
2)25b^7-5b^5=5b^5(5b²-1)
3)3x-3y+bx-by=(3x-3y(bx-by)=3(x-y)+(x-y)=(x-y)(3+b)
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номер 2
1)12ху-6х²°6х(2у-х)
2)25b^7-5b^5=5b^5(5b²-1)
3)3x-3y+bx-by=(3x-3y(bx-by)=3(x-y)+(x-y)=(x-y)(3+b)