Evaluate
-\frac{484}{7}\approx -69.142857143
Factor
-\frac{484}{7} = -69\frac{1}{7} = -69.14285714285714
Share
Copied to clipboard
2+1-\frac{1\times 505}{7}
Add 1 and 1 to get 2.
3-\frac{1\times 505}{7}
Add 2 and 1 to get 3.
3-\frac{505}{7}
Multiply 1 and 505 to get 505.
\frac{21}{7}-\frac{505}{7}
Convert 3 to fraction \frac{21}{7}.
\frac{21-505}{7}
Since \frac{21}{7} and \frac{505}{7} have the same denominator, subtract them by subtracting their numerators.
-\frac{484}{7}
Subtract 505 from 21 to get -484.
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}