如果(1/2a-x)^2=1/4a^2+1/2ay+1/9,则x,y的值分别是

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如果(1/2a-x)^2=1/4a^2+1/2ay+1/9,则x,y的值分别是
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如果(1/2a-x)^2=1/4a^2+1/2ay+1/9,则x,y的值分别是
如果(1/2a-x)^2=1/4a^2+1/2ay+1/9,则x,y的值分别是

如果(1/2a-x)^2=1/4a^2+1/2ay+1/9,则x,y的值分别是

(1/2a)^2+x^2-ax=1/4a^2+1/2ay+1/9
1/4a^2+x^2-ax=1/4a^2+1/2ay+1/9
x^2-ax=1/2ay+1/9
x=1/3或-1/3
y2/3或-2/3
好巧,又是你

一个式子,两个未知数,怎么能解出来 呢