6ax^2-12ax^3=6ax^2(1-2x)
24a^3c-3a^2c=3a^2c(8a-1)
5m^2n-20mn^2=5mn(m-4n)
18ab^2+27a^2b=9ab(2b+3a)
1-64b^2=(1-8b)(1+8b)
6ax^2-12ax^3=6ax^2(1-2x)
24a^3c-3a^2c=3a^2c(8a-1)
5m^2n-20mn^2=5mn(m-4n)
18ab^2+27a^2b=9ab(2b+3a)
1-64b^2=(1-8b)(1+8b)