|a|≥0,a²≥0
两个非负相加为0,则分别为0
所以x²-y²-4=0 ,①
3√5x-5y-10=0 ②
由②知,y=3√5x-10/5③
③代入①,x²-(45x²-300x+500)-4=0
则,化简,11x²-75x+124=0
则,x1=4 ,x2=31/11
y1=12√5/5-2,y2=93√5/55 -2
|a|≥0,a²≥0
两个非负相加为0,则分别为0
所以x²-y²-4=0 ,①
3√5x-5y-10=0 ②
由②知,y=3√5x-10/5③
③代入①,x²-(45x²-300x+500)-4=0
则,化简,11x²-75x+124=0
则,x1=4 ,x2=31/11
y1=12√5/5-2,y2=93√5/55 -2