x e ^ { x } d y = ( x ^ { 3 } + 2 y e ^ { x } ) d x
Solve for d (complex solution)
\left\{\begin{matrix}\\d=0\text{, }&\text{unconditionally}\\d\in \mathrm{C}\text{, }&y=-\frac{x^{3}}{e^{x}}\text{ or }x=0\end{matrix}\right.
Solve for d
\left\{\begin{matrix}\\d=0\text{, }&\text{unconditionally}\\d\in \mathrm{R}\text{, }&y=-\frac{x^{3}}{e^{x}}\text{ or }x=0\end{matrix}\right.
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xe^{x}dy=\left(x^{3}d+2ye^{x}d\right)x
Use the distributive property to multiply x^{3}+2ye^{x} by d.
xe^{x}dy=dx^{4}+2ye^{x}dx
Use the distributive property to multiply x^{3}d+2ye^{x}d by x.
xe^{x}dy-dx^{4}=2ye^{x}dx
Subtract dx^{4} from both sides.
xe^{x}dy-dx^{4}-2ye^{x}dx=0
Subtract 2ye^{x}dx from both sides.
-xe^{x}dy-dx^{4}=0
Combine xe^{x}dy and -2ye^{x}dx to get -xe^{x}dy.
\left(-xe^{x}y-x^{4}\right)d=0
Combine all terms containing d.
\left(-x^{4}-xye^{x}\right)d=0
The equation is in standard form.
d=0
Divide 0 by -xe^{x}y-x^{4}.
xe^{x}dy=\left(x^{3}d+2ye^{x}d\right)x
Use the distributive property to multiply x^{3}+2ye^{x} by d.
xe^{x}dy=dx^{4}+2ye^{x}dx
Use the distributive property to multiply x^{3}d+2ye^{x}d by x.
xe^{x}dy-dx^{4}=2ye^{x}dx
Subtract dx^{4} from both sides.
xe^{x}dy-dx^{4}-2ye^{x}dx=0
Subtract 2ye^{x}dx from both sides.
-xe^{x}dy-dx^{4}=0
Combine xe^{x}dy and -2ye^{x}dx to get -xe^{x}dy.
\left(-xe^{x}y-x^{4}\right)d=0
Combine all terms containing d.
\left(-x^{4}-xye^{x}\right)d=0
The equation is in standard form.
d=0
Divide 0 by -xe^{x}y-x^{4}.
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