x ^ { 2 } + \frac { \partial y } { d x } = 1
Solve for d
\left\{\begin{matrix}d=-\frac{y∂}{x\left(x^{2}-1\right)}\text{, }&y\neq 0\text{ and }∂\neq 0\text{ and }x\neq 0\text{ and }|x|\neq 1\\d\neq 0\text{, }&\left(y=0\text{ or }∂=0\right)\text{ and }|x|=1\end{matrix}\right.
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dxx^{2}+∂y=dx
Variable d cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by dx.
dx^{3}+∂y=dx
To multiply powers of the same base, add their exponents. Add 1 and 2 to get 3.
dx^{3}+∂y-dx=0
Subtract dx from both sides.
dx^{3}-dx=-∂y
Subtract ∂y from both sides. Anything subtracted from zero gives its negation.
dx^{3}-dx=-y∂
Reorder the terms.
\left(x^{3}-x\right)d=-y∂
Combine all terms containing d.
\frac{\left(x^{3}-x\right)d}{x^{3}-x}=-\frac{y∂}{x^{3}-x}
Divide both sides by x^{3}-x.
d=-\frac{y∂}{x^{3}-x}
Dividing by x^{3}-x undoes the multiplication by x^{3}-x.
d=-\frac{y∂}{x\left(x^{2}-1\right)}
Divide -y∂ by x^{3}-x.
d=-\frac{y∂}{x\left(x^{2}-1\right)}\text{, }d\neq 0
Variable d cannot be equal to 0.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
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Matrix
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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}