Solve for y_2, a, b
y_{2}=-\frac{\sqrt{2505}}{6}-\frac{15}{2}\approx -15.841662504\text{, }a=5\text{, }b=5
y_{2}=\frac{\sqrt{2505}}{6}-\frac{15}{2}\approx 0.841662504\text{, }a=5\text{, }b=5
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