Evaluate
34
Factor
2\times 17
Share
Copied to clipboard
4\times 12+\frac{5}{4+1}-1\times 21+6
Divide 3 by 3 to get 1.
48+\frac{5}{4+1}-1\times 21+6
Multiply 4 and 12 to get 48.
48+\frac{5}{5}-1\times 21+6
Add 4 and 1 to get 5.
48+1-1\times 21+6
Divide 5 by 5 to get 1.
49-1\times 21+6
Add 48 and 1 to get 49.
49-21+6
Multiply 1 and 21 to get 21.
28+6
Subtract 21 from 49 to get 28.
34
Add 28 and 6 to get 34.
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}