1) =у²+8у+16
2) =81+18а+а²
3) =а²+2ас+с²
4) =х²-14х+49
5) =64-16в+в²
6) =121-22у+у²
7) =25а²+10а+1
8) =9у²-24у+16
9) =100+80с+16с²
10) =4х²-12ху+9у²
11) =25а²-60ав+36в²
12) =9х²-24ху+16у²
1) =у²+8у+16
2) =81+18а+а²
3) =а²+2ас+с²
4) =х²-14х+49
5) =64-16в+в²
6) =121-22у+у²
7) =25а²+10а+1
8) =9у²-24у+16
9) =100+80с+16с²
10) =4х²-12ху+9у²
11) =25а²-60ав+36в²
12) =9х²-24ху+16у²