Pialat won the Palme d'or[?] at the Cannes Film Festival in 1987 for Sous le soleil de Satan[?] (Under the Sun of Satan).
... 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 side is now a perfect square; it is the square ...