Solve for x, y, z, a
x=\frac{-\sqrt{673401369}-37}{100000}\approx -0.259869782\text{, }y=1\text{, }z=1\text{, }a=1
x=\frac{\sqrt{673401369}-37}{100000}\approx 0.259129782\text{, }y=1\text{, }z=1\text{, }a=1
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