Australia:
Belgium:
Canada:
Czech Republic:
Finland:
France:
Germany:
Hong Kong:
Japan:
Netherlands:
New Zealand:
Portugal:
Puerto Rico:
Sweden:
Switzerland:
United Kingdom:
United States:
... is equivalent to <math>x^2+\frac{b}{a}x=-\frac{c}{a}.</math> The equation is now in a form in which we can conveniently ...