Giải phương trình
Giải pt
1)1/x-1+2/x^2+x+1=3x^2/x^3-1
2)2x^2/x^2-16=2x/x+4-3-3/4-x
3)x/2(x-3)+x/2x+2=2x/(x+1)(x-3)
4)1/x+3+8/(x+1)(x-3)=x+3/x^2-2x-3
Gấp
1)1/x-1+2/x^2+x+1=3x^2/x^3-1
2)2x^2/x^2-16=2x/x+4-3-3/4-x
3)x/2(x-3)+x/2x+2=2x/(x+1)(x-3)
4)1/x+3+8/(x+1)(x-3)=x+3/x^2-2x-3
Gấp