1)
2)
3)
4)
3х^{2}-12х=3х(х-4)ав-2а+в^{2}-2в=а(в-2)+в(в-2)=(а+в)(в-2)4х^{2}-9=(2х-3)(2х+3)х^{3}-8х^{2}+16х=х(х^{2}-8х+16)=х(х-4)^{2}
1)
2)
3)
4)
3х^{2}-12х=3х(х-4)
ав-2а+в^{2}-2в=а(в-2)+в(в-2)=(а+в)(в-2)
4х^{2}-9=(2х-3)(2х+3)
х^{3}-8х^{2}+16х=х(х^{2}-8х+16)=х(х-4)^{2}