What is expand (y-x)dx+(y+x)dy ?

The solution to expand (y-x)dx+(y+x)dy is ydx-xdx+ydy+xdy

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expand (y-x)dx+(y+x)dy

expand

(y - x) d x + (y + x) d y

y d x - x d x + y d y + x d y

Solution steps

(y - x) d x + (y + x) d y

Expand

d x (y - x) : y d x - x d x

= y d x - x d x + (y + x) d y

Expand

d y (y + x) : y d y + x d y

= y d x - x d x + y d y + x d y

((x + 1) - (e^{8 x - 8}))^{2}

\frac{1}{( x ^{2} + 1 ) ( x + 2 )}

[\frac{2 s ^{3} + 3 s ^{2} + 2 s + 27}{( s ^{2} + 9 ) ( s ^{2} + 1 )}]

x e^{6 x y} (y e^{6 x y} + x)

\frac{1 - x}{( 2 - x ) ^{2}}

What is expand (y-x)dx+(y+x)dy ?
The solution to expand (y-x)dx+(y+x)dy is ydx-xdx+ydy+xdy