Evaluate
65
Factor
5\times 13
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29-3+27+32-\frac{1}{2}\times 40
Divide 21 by 7 to get 3.
26+27+32-\frac{1}{2}\times 40
Subtract 3 from 29 to get 26.
53+32-\frac{1}{2}\times 40
Add 26 and 27 to get 53.
85-\frac{1}{2}\times 40
Add 53 and 32 to get 85.
85-\frac{40}{2}
Multiply \frac{1}{2} and 40 to get \frac{40}{2}.
85-20
Divide 40 by 2 to get 20.
65
Subtract 20 from 85 to get 65.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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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