Datrys ar gyfer p (complex solution)
p=\frac{\sqrt{-4x^{2}+4x-391}-1}{2}
p=\frac{-\sqrt{-4x^{2}+4x-391}-1}{2}
Datrys ar gyfer x (complex solution)
x=\frac{\sqrt{-4p^{2}-4p-391}+1}{2}
x=\frac{-\sqrt{-4p^{2}-4p-391}+1}{2}
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