Evaluate
38
Factor
2\times 19
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21+3-\left(2-5\times 2\right)+5+\frac{16}{4}-5+10-2^{3}
Subtract 4 from 25 to get 21.
24-\left(2-5\times 2\right)+5+\frac{16}{4}-5+10-2^{3}
Add 21 and 3 to get 24.
24-\left(2-10\right)+5+\frac{16}{4}-5+10-2^{3}
Multiply 5 and 2 to get 10.
24-\left(-8\right)+5+\frac{16}{4}-5+10-2^{3}
Subtract 10 from 2 to get -8.
24+8+5+\frac{16}{4}-5+10-2^{3}
The opposite of -8 is 8.
32+5+\frac{16}{4}-5+10-2^{3}
Add 24 and 8 to get 32.
37+\frac{16}{4}-5+10-2^{3}
Add 32 and 5 to get 37.
37+4-5+10-2^{3}
Divide 16 by 4 to get 4.
41-5+10-2^{3}
Add 37 and 4 to get 41.
36+10-2^{3}
Subtract 5 from 41 to get 36.
36+10-8
Calculate 2 to the power of 3 and get 8.
36+2
Subtract 8 from 10 to get 2.
38
Add 36 and 2 to get 38.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}