Ответ:
3ах-х=х(3а-х)
аb2+5a2b=ab(b+5a)
b(b-3)-4(b-3)=(b-3)•(b-4)
2c4-4c3+2c=2c(2c3-c2)
2ac+2c+ab+b=2c(a+1)+b(a+1)=(a+1)•(2c+b)
a(7-b)+3(b-7)=a(7-b)-3(7-b)=(7-b)•(a-3)
12а2b2+6a2b3+12ab3=6ab2(2a+ab+2b)
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Ответ:
3ах-х=х(3а-х)
аb2+5a2b=ab(b+5a)
b(b-3)-4(b-3)=(b-3)•(b-4)
2c4-4c3+2c=2c(2c3-c2)
2ac+2c+ab+b=2c(a+1)+b(a+1)=(a+1)•(2c+b)
a(7-b)+3(b-7)=a(7-b)-3(7-b)=(7-b)•(a-3)
12а2b2+6a2b3+12ab3=6ab2(2a+ab+2b)