Terris Becker edited untitled.tex  about 8 years ago

Commit id: 5cab1c19869fcc0753621fe25648e492b458a428

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\begin{align}  &\iff (f^{2}+g^{2})+(fd-eg)+b=0\\  &\iff f^{2}+fd+g^{2}-eg+b=0\\  &\iff (f+\frac{1}{2}d)^{2}-\frac{1}{4}d^{2}+(g-\frac{1}{2})^{2}-\frac{1}{4}e^{2}  \end{align}  \end{proof}