Solve for b, c, d
b=-10\sqrt{5}\approx -22.360679775\text{, }c=-50\sqrt{5}\approx -111.803398875\text{, }d=-50\sqrt{5}\approx -111.803398875
b=10\sqrt{5}\approx 22.360679775\text{, }c=50\sqrt{5}\approx 111.803398875\text{, }d=50\sqrt{5}\approx 111.803398875
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