Question

Ребяяятаа,по-братски 

2x^2 + x -1 / x+1 =3x+1 

Answer 1

2x^2+x-1=(3x+1)(x+1)
2x^2+x-1=3x^2+4x+1
x^2+3x+2=0
D=9-4*1*2=1^2
x=(-3+1)/2=-1
x=(-3-1)/2=-2
Ответ -1 и -2 

Answer 2

нзч