Ogliastra geographical and cultural region in eastern Sardinia, Italy.
Is also the name of a proposed new province (Regional Law no.9 of 12th july 2001). Its administrative capital will be Lanusei[?] ("Lanuse'") or Tortoli'[?].
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... by the method of completing the square[?].
<math>ax^2+bx+c=0</math>
Dividing our quadratic equation by a, we have
<math>
x^2 + \left( \frac{b}{a} ...