1) x²+6x+5
2)2x²-11x+12
3)x³+8x²+6x-7
1) (х+1)(х+5)=х²+5х+х+5=х²+6х+5
2) (2х-3)(х-4)=2х²-8х-3х+12=2х²-11х+12
3) (х²+х-1)(х+7)=х³+8х²+6х-7
1) x²+6x+5
2)2x²-11x+12
3)x³+8x²+6x-7
1) (х+1)(х+5)=х²+5х+х+5=х²+6х+5
2) (2х-3)(х-4)=2х²-8х-3х+12=2х²-11х+12
3) (х²+х-1)(х+7)=х³+8х²+6х-7