Разложите на множители 1) 16с3 – су2; 2) -2у2 + 24у – 72
3) 3ху + 3х – 9у – 9; 4) а3х – 5а3 – ах + 5а

I love to travel. Traveling with friends and family is often rewarding and rewarding. I'll take a camera, a bag, water, a pen, a notebook, a sandwich. They will be needed. He can travel and see the beautiful world. It is very good for human health.