Question

X^2+4x+4/x+2 сократите дробь

Answer 1

x2+4x+4/x+2= (x+2)^2/x+2 = x+2

Answer 2

x^2+4x+4/x+2
 ОДЗ : x ≠ -2
x^2 + 4x + 4 = 0
 За теоремой Виета :
x1 + x2 = -4
x1 * x2 = 4
 x1 = -2
 x2 = -2
x^2 + 4x + 4 = (x+2)(x+2)
 (x+2)(x+2)/x+2 = x+2