Selesaikan untuk x, y
x=-\left(\sqrt{13}+4\right)\approx -7.605551275\text{, }y=-\left(\sqrt{13}+1\right)\approx -4.605551275
x=\sqrt{13}-4\approx -0.394448725\text{, }y=\sqrt{13}-1\approx 2.605551275
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