Solve for A
A=3\left(x^{2}-3x-1\right)
Solve for x (complex solution)
x=\frac{\sqrt{12A+117}}{6}+\frac{3}{2}
x=-\frac{\sqrt{12A+117}}{6}+\frac{3}{2}
Solve for x
x=\frac{\sqrt{12A+117}}{6}+\frac{3}{2}
x=-\frac{\sqrt{12A+117}}{6}+\frac{3}{2}\text{, }A\geq -\frac{39}{4}
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A=3x^{2}-9x-3
Divide 12 by 4 to get 3.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
y = 3x + 4
Arithmetic
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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
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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