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**1. Homework Statement**

Solve (x^2 + y^2 - y)dx + x dy = 0 when x > 0, y > 0.

**2. Homework Equations**

(x^2 + y^2 - y)dx + x dy = 0

**3. The Attempt at a Solution**

dy/dx = - (x^2 + y^2 - y) / x

That seems like a tricky one. Can I make it a second-order diff. eq.?

Well, with the topic we have had about vectorfields I can backwards engineer it into

**F**(x,y) = (x^2 + y^2 - y)

**i**+ (-x)

**j**

But that dosn't make much sense to me.