Evaluate
-144
Factor
-144
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-7.2|6+14|
The opposite of -14 is 14.
-7.2|20|
Add 6 and 14 to get 20.
-7.2\times 20
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 20 is 20.
-144
Multiply -7.2 and 20 to get -144.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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
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