Question

Квадратний тричлен.
Cкоротiть дрiб

Answer 1

1)x^2+x-3x/x+1;
x*(x+1)-3(x+1)/x+1;
(x+1)*(x-3)/x+1;
x-3
2)x-4/x^2-x-12
x-4/x*(x+3)-4(x+3)
x-4/(x+3)*(x-4)
1/x+3