Anna Paulowna (population: 14,000) is a municipality in the north-western Netherlands, in the province of North Holland. The municipality covers an area of 77.56 km² (of which 2.59 km² water).
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<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 of (x + ...