Giải phương trình, biết
giải pt
1)4/2 x-3+ (-7)/3 x-5=0,
2)3/x+1-2/x+2=4x+5/x^2+3x+2
3)2(x^2+x+6)/x^3-8+2/2-x=3/x^2+2x+4
4)6/x^2+6x-8+x+3/.x-4=x+1/x-2
5)6/x^3+1-1-x/x^2-x-1=5/x+1
1)4/2 x-3+ (-7)/3 x-5=0,
2)3/x+1-2/x+2=4x+5/x^2+3x+2
3)2(x^2+x+6)/x^3-8+2/2-x=3/x^2+2x+4
4)6/x^2+6x-8+x+3/.x-4=x+1/x-2
5)6/x^3+1-1-x/x^2-x-1=5/x+1