Question

представьте трехчлен двумя способами в виде квадрата двучлена; 100x**+1-20x; X****+4y**+4x**y; 1+81y**-18y; 8ab***+16a**+b******

Answer 1

100x**+1-20x = (10x-1)**

x****+4y**+4x**y = (x**+2y)**

1+81y**-18y = (1-9y)**

8ab***+16a**+b****** = (4a+b***)**