The European Investment Bank (the Banque Européenne d'Investissement) is the European Union's financing institution and was established under the Treaty of Rome (1957).
... = b/(2a), so we add the square of b/(2a) to both sides, getting
<math>x^2+\frac{b}{a}x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}.</math>
The left ...