# Thread: help solving this problem

1. ## help solving this problem

hi, i need help solving this problem, i have no clue how to do it. Thank you

y(1+2xy)dx+x(1-2xy)dy=0

2. Originally Posted by uga75
hi, i need help solving this problem, i have no clue how to do it. Thank you

y(1+2xy)dx+x(1-2xy)dy=0
Try $u = xy$. Your equation should separate.

3. Originally Posted by uga75
hi, i need help solving this problem, i have no clue how to do it. Thank you

y(1+2xy)dx+x(1-2xy)dy=0
multiply equation with 1/(4x^2*y^2) equation will become exact....