Factor
\frac{\left(x-12\right)\left(x+12\right)}{9}
Evaluate
\frac{x^{2}}{9}-16
Graph
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\frac{x^{2}-144}{9}
Factor out \frac{1}{9}.
\left(x-12\right)\left(x+12\right)
Consider x^{2}-144. Rewrite x^{2}-144 as x^{2}-12^{2}. The difference of squares can be factored using the rule: a^{2}-b^{2}=\left(a-b\right)\left(a+b\right).
\frac{\left(x-12\right)\left(x+12\right)}{9}
Rewrite the complete factored expression.
Examples
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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
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Limits
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