x ^ { 2 } + d x = 0
Solve for d (complex solution)
\left\{\begin{matrix}\\d=-x\text{, }&\text{unconditionally}\\d\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for d
\left\{\begin{matrix}\\d=-x\text{, }&\text{unconditionally}\\d\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
Solve for x
x=-d
x=0
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dx=-x^{2}
Subtract x^{2} from both sides. Anything subtracted from zero gives its negation.
xd=-x^{2}
The equation is in standard form.
\frac{xd}{x}=-\frac{x^{2}}{x}
Divide both sides by x.
d=-\frac{x^{2}}{x}
Dividing by x undoes the multiplication by x.
d=-x
Divide -x^{2} by x.
dx=-x^{2}
Subtract x^{2} from both sides. Anything subtracted from zero gives its negation.
xd=-x^{2}
The equation is in standard form.
\frac{xd}{x}=-\frac{x^{2}}{x}
Divide both sides by x.
d=-\frac{x^{2}}{x}
Dividing by x undoes the multiplication by x.
d=-x
Divide -x^{2} by x.
Examples
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Simultaneous equation
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Integration
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Limits
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