In Roman mythology, Strenua or Strenia was the goddess of strength and endurance. She was originally a Sabine goddess. She had a temple on the Via Sacra[?].
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... the common denominator is 4a2. We get
<math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math>
Taking square roots of both ...