Solve for A (complex solution)
\left\{\begin{matrix}A=\frac{2b^{2}}{C}-\frac{B}{2}\text{, }&C\neq 0\\A\in \mathrm{C}\text{, }&b=0\text{ and }C=0\end{matrix}\right.
Solve for B (complex solution)
\left\{\begin{matrix}B=\frac{4b^{2}}{C}-2A\text{, }&C\neq 0\\B\in \mathrm{C}\text{, }&b=0\text{ and }C=0\end{matrix}\right.
Solve for A
\left\{\begin{matrix}A=\frac{2b^{2}}{C}-\frac{B}{2}\text{, }&C\neq 0\\A\in \mathrm{R}\text{, }&b=0\text{ and }C=0\end{matrix}\right.
Solve for B
\left\{\begin{matrix}B=\frac{4b^{2}}{C}-2A\text{, }&C\neq 0\\B\in \mathrm{R}\text{, }&b=0\text{ and }C=0\end{matrix}\right.
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2AC+BC=4b^{2}
Swap sides so that all variable terms are on the left hand side.
2AC=4b^{2}-BC
Subtract BC from both sides.
2CA=4b^{2}-BC
The equation is in standard form.
\frac{2CA}{2C}=\frac{4b^{2}-BC}{2C}
Divide both sides by 2C.
A=\frac{4b^{2}-BC}{2C}
Dividing by 2C undoes the multiplication by 2C.
A=\frac{2b^{2}}{C}-\frac{B}{2}
Divide -BC+4b^{2} by 2C.
2AC+BC=4b^{2}
Swap sides so that all variable terms are on the left hand side.
BC=4b^{2}-2AC
Subtract 2AC from both sides.
CB=4b^{2}-2AC
The equation is in standard form.
\frac{CB}{C}=\frac{4b^{2}-2AC}{C}
Divide both sides by C.
B=\frac{4b^{2}-2AC}{C}
Dividing by C undoes the multiplication by C.
B=\frac{4b^{2}}{C}-2A
Divide -2AC+4b^{2} by C.
2AC+BC=4b^{2}
Swap sides so that all variable terms are on the left hand side.
2AC=4b^{2}-BC
Subtract BC from both sides.
2CA=4b^{2}-BC
The equation is in standard form.
\frac{2CA}{2C}=\frac{4b^{2}-BC}{2C}
Divide both sides by 2C.
A=\frac{4b^{2}-BC}{2C}
Dividing by 2C undoes the multiplication by 2C.
A=\frac{2b^{2}}{C}-\frac{B}{2}
Divide -BC+4b^{2} by 2C.
2AC+BC=4b^{2}
Swap sides so that all variable terms are on the left hand side.
BC=4b^{2}-2AC
Subtract 2AC from both sides.
CB=4b^{2}-2AC
The equation is in standard form.
\frac{CB}{C}=\frac{4b^{2}-2AC}{C}
Divide both sides by C.
B=\frac{4b^{2}-2AC}{C}
Dividing by C undoes the multiplication by C.
B=\frac{4b^{2}}{C}-2A
Divide -2AC+4b^{2} by C.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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}