(2+x)²= (8-y)²= (4x+3y)²= (x-y)²= (b+3)²= (y-9)²= (10-c)²= (p+d)²=​

Ответ:

(2x)² = 4x²

(8-y)² = 64 - 16y + y²

(4x + 3y)² = 16x² + 24xy + 9y²

(x-y)² = x² - 2xy + y²

(b3)² = 9b²

(y-9)² = y² - 18y + 81

(10-c)² = c² - 20c + 100

(pd)² = p²d²