Solve for d, y, q
y=-\frac{2^{\frac{3}{4}}\sqrt[4]{q^{2}+28}}{2}\text{, }d=-\frac{q^{2}}{4}+3\text{, }q\in \mathrm{R}
y=\frac{2^{\frac{3}{4}}\sqrt[4]{q^{2}+28}}{2}\text{, }d=-\frac{q^{2}}{4}+3\text{, }q\in \mathrm{R}
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