Solve for a (complex solution)
\left\{\begin{matrix}\\a=\frac{8bx}{5}\text{, }&\text{unconditionally}\\a\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for b (complex solution)
\left\{\begin{matrix}b=\frac{5a}{8x}\text{, }&x\neq 0\\b\in \mathrm{C}\text{, }&x=0\end{matrix}\right.
Solve for a
\left\{\begin{matrix}\\a=\frac{8bx}{5}\text{, }&\text{unconditionally}\\a\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
Solve for b
\left\{\begin{matrix}b=\frac{5a}{8x}\text{, }&x\neq 0\\b\in \mathrm{R}\text{, }&x=0\end{matrix}\right.
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-5ax=-8bx^{2}
Subtract 8bx^{2} from both sides. Anything subtracted from zero gives its negation.
\left(-5x\right)a=-8bx^{2}
The equation is in standard form.
\frac{\left(-5x\right)a}{-5x}=-\frac{8bx^{2}}{-5x}
Divide both sides by -5x.
a=-\frac{8bx^{2}}{-5x}
Dividing by -5x undoes the multiplication by -5x.
a=\frac{8bx}{5}
Divide -8bx^{2} by -5x.
8bx^{2}=5ax
Add 5ax to both sides. Anything plus zero gives itself.
8x^{2}b=5ax
The equation is in standard form.
\frac{8x^{2}b}{8x^{2}}=\frac{5ax}{8x^{2}}
Divide both sides by 8x^{2}.
b=\frac{5ax}{8x^{2}}
Dividing by 8x^{2} undoes the multiplication by 8x^{2}.
b=\frac{5a}{8x}
Divide 5ax by 8x^{2}.
-5ax=-8bx^{2}
Subtract 8bx^{2} from both sides. Anything subtracted from zero gives its negation.
\left(-5x\right)a=-8bx^{2}
The equation is in standard form.
\frac{\left(-5x\right)a}{-5x}=-\frac{8bx^{2}}{-5x}
Divide both sides by -5x.
a=-\frac{8bx^{2}}{-5x}
Dividing by -5x undoes the multiplication by -5x.
a=\frac{8bx}{5}
Divide -8bx^{2} by -5x.
8bx^{2}=5ax
Add 5ax to both sides. Anything plus zero gives itself.
8x^{2}b=5ax
The equation is in standard form.
\frac{8x^{2}b}{8x^{2}}=\frac{5ax}{8x^{2}}
Divide both sides by 8x^{2}.
b=\frac{5ax}{8x^{2}}
Dividing by 8x^{2} undoes the multiplication by 8x^{2}.
b=\frac{5a}{8x}
Divide 5ax by 8x^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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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}