Resposta :
5/x² -9=-3/x +3
5x +3x² = 12
_____________________
x²x
3x²+5x-12=0
-5 +/- raiz de 5² -4.3(-2)
----------------------
2.3
-5 +/- 13
---------
6
-5+13 -5-13
------= 8/6 = 4/3 //// ---------=-18/6=-9/3=-3
6 6
5/x²-9= -3/x+3 cujo resultado é 4/3
5/x² -9=-3/x +3
5x +3x² = 12
_____________________
x²x
3x²+5x-12=0
-5 +/- raiz de 5² -4.3(-2)
----------------------
2.3
-5 +/- 13
---------
6
-5+13 -5-13
------= 8/6 = 4/3 //// ---------=-18/6=-9/3=-3
6 6