Solve for k, x
x=\frac{3-\sqrt{185}}{2}\approx -5.300735254\text{, }k=\frac{11}{2}=5.5
x=\frac{\sqrt{185}+3}{2}\approx 8.300735254\text{, }k=\frac{11}{2}=5.5
x=\frac{3-\sqrt{185}}{2}\approx -5.300735254\text{, }k=-4
x=\frac{\sqrt{185}+3}{2}\approx 8.300735254\text{, }k=-4
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