Evaluate
91
Factor
7\times 13
Share
Copied to clipboard
1+10\left(6+5+8-2\left(1+4\right)\right)
Add 2 and 4 to get 6.
1+10\left(11+8-2\left(1+4\right)\right)
Add 6 and 5 to get 11.
1+10\left(19-2\left(1+4\right)\right)
Add 11 and 8 to get 19.
1+10\left(19-2\times 5\right)
Add 1 and 4 to get 5.
1+10\left(19-10\right)
Multiply 2 and 5 to get 10.
1+10\times 9
Subtract 10 from 19 to get 9.
1+90
Multiply 10 and 9 to get 90.
91
Add 1 and 90 to get 91.
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}