Evaluate
-5.21
Factor
-5.21
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1.7^{2}-3|4.7-2|
Subtract 3 from 4.7 to get 1.7.
2.89-3|4.7-2|
Calculate 1.7 to the power of 2 and get 2.89.
2.89-3|2.7|
Subtract 2 from 4.7 to get 2.7.
2.89-3\times 2.7
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of 2.7 is 2.7.
2.89-8.1
Multiply 3 and 2.7 to get 8.1.
-5.21
Subtract 8.1 from 2.89 to get -5.21.
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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