方程2化简得x(y²+y+1)=9/2,得xy²+xy+x=9/2
代入xy²=3/2得到
3/2+3/2y+3/2y²=9/2,
乘以2y²得3y²+3y+3=9y²
6y²-3y-3=0
2y²-y-1=0
(2y+1)(y-1)=0
y=1或者-1/2,舍去1(分母为0)
x=6,y=-1/2
方程2化简得x(y²+y+1)=9/2,得xy²+xy+x=9/2
代入xy²=3/2得到
3/2+3/2y+3/2y²=9/2,
乘以2y²得3y²+3y+3=9y²
6y²-3y-3=0
2y²-y-1=0
(2y+1)(y-1)=0
y=1或者-1/2,舍去1(分母为0)
x=6,y=-1/2