y = ( 2 x - 1 ) d x
Solve for d (complex solution)
\left\{\begin{matrix}d=\frac{y}{x\left(2x-1\right)}\text{, }&x\neq \frac{1}{2}\text{ and }x\neq 0\\d\in \mathrm{C}\text{, }&\left(x=0\text{ or }x=\frac{1}{2}\right)\text{ and }y=0\end{matrix}\right.
Solve for d
\left\{\begin{matrix}d=\frac{y}{x\left(2x-1\right)}\text{, }&x\neq \frac{1}{2}\text{ and }x\neq 0\\d\in \mathrm{R}\text{, }&\left(x=0\text{ or }x=\frac{1}{2}\right)\text{ and }y=0\end{matrix}\right.
Solve for x (complex solution)
\left\{\begin{matrix}x=\frac{\sqrt{d\left(8y+d\right)}+d}{4d}\text{; }x=\frac{-\sqrt{d\left(8y+d\right)}+d}{4d}\text{, }&d\neq 0\\x\in \mathrm{C}\text{, }&y=0\text{ and }d=0\end{matrix}\right.
Solve for x
\left\{\begin{matrix}x=\frac{\sqrt{d\left(8y+d\right)}+d}{4d}\text{; }x=\frac{-\sqrt{d\left(8y+d\right)}+d}{4d}\text{, }&\left(y\leq -\frac{d}{8}\text{ and }d<0\right)\text{ or }\left(y\geq -\frac{d}{8}\text{ and }d>0\right)\text{ or }\left(d\neq 0\text{ and }y=-\frac{d}{8}\right)\\x\in \mathrm{R}\text{, }&y=0\text{ and }d=0\end{matrix}\right.
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y=\left(2xd-d\right)x
Use the distributive property to multiply 2x-1 by d.
y=2dx^{2}-dx
Use the distributive property to multiply 2xd-d by x.
2dx^{2}-dx=y
Swap sides so that all variable terms are on the left hand side.
\left(2x^{2}-x\right)d=y
Combine all terms containing d.
\frac{\left(2x^{2}-x\right)d}{2x^{2}-x}=\frac{y}{2x^{2}-x}
Divide both sides by 2x^{2}-x.
d=\frac{y}{2x^{2}-x}
Dividing by 2x^{2}-x undoes the multiplication by 2x^{2}-x.
d=\frac{y}{x\left(2x-1\right)}
Divide y by 2x^{2}-x.
y=\left(2xd-d\right)x
Use the distributive property to multiply 2x-1 by d.
y=2dx^{2}-dx
Use the distributive property to multiply 2xd-d by x.
2dx^{2}-dx=y
Swap sides so that all variable terms are on the left hand side.
\left(2x^{2}-x\right)d=y
Combine all terms containing d.
\frac{\left(2x^{2}-x\right)d}{2x^{2}-x}=\frac{y}{2x^{2}-x}
Divide both sides by 2x^{2}-x.
d=\frac{y}{2x^{2}-x}
Dividing by 2x^{2}-x undoes the multiplication by 2x^{2}-x.
d=\frac{y}{x\left(2x-1\right)}
Divide y by 2x^{2}-x.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}