What is the working of the following simultaneous eqn?

• ^tamago^

  9 Sep 06, 00:56

  http://forums.hardwarezone.com/showthread.php?t=1397546
  
  graph as shown:
  
  
  but how to do on paper?
• missqi

  9 Sep 06, 00:57

  hahahha.
  u really come n open thread abt it.
  
• ^tamago^

  9 Sep 06, 01:02

  bo bian. i got a line as a solution, but pian pian the grapher shows the answer as 3 points (-2,2), (0,0), (2,-2).....
  
  i very hardworking one k.
  
  
• ^tamago^

  9 Sep 06, 01:21

  anyway solved liao~ can close liao~
  
  more solutions read the link above~ i forgot to sub back... kns~
• ^tamago^

  9 Sep 06, 01:34

  leave a copy here.
  
  (x²+y²-6)/(xy+5) = -2x/y --- from (1)
  (x²+y²-6)/(xy+5) = -2y/x --- from (2)
  
  then x/y=y/x.
  then x²=y².
  then y=x or y=-x.
  sub back to (1) and (2) to get (-2,2), (0,0) and (2,-2).