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81+42+4-22^{2}=8
Calculate 9 to the power of 2 and get 81.
123+4-22^{2}=8
Add 81 and 42 to get 123.
127-22^{2}=8
Add 123 and 4 to get 127.
127-484=8
Calculate 22 to the power of 2 and get 484.
-357=8
Subtract 484 from 127 to get -357.
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Compare -357 and 8.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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