Evaluate
\frac{8\left(3x+20\right)}{21\left(x+8\right)}
Expand
\frac{8\left(3x+20\right)}{21\left(x+8\right)}
Graph
Quiz
Polynomial
5 problems similar to:
\frac { 7 + x - \frac { 1 } { 3 } } { 7 + x - \frac { x } { 8 } }
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\frac{\frac{21}{3}+x-\frac{1}{3}}{7+x-\frac{x}{8}}
Convert 7 to fraction \frac{21}{3}.
\frac{\frac{21-1}{3}+x}{7+x-\frac{x}{8}}
Since \frac{21}{3} and \frac{1}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{20}{3}+x}{7+x-\frac{x}{8}}
Subtract 1 from 21 to get 20.
\frac{\frac{20}{3}+x}{7+\frac{7}{8}x}
Combine x and -\frac{x}{8} to get \frac{7}{8}x.
\frac{\frac{21}{3}+x-\frac{1}{3}}{7+x-\frac{x}{8}}
Convert 7 to fraction \frac{21}{3}.
\frac{\frac{21-1}{3}+x}{7+x-\frac{x}{8}}
Since \frac{21}{3} and \frac{1}{3} have the same denominator, subtract them by subtracting their numerators.
\frac{\frac{20}{3}+x}{7+x-\frac{x}{8}}
Subtract 1 from 21 to get 20.
\frac{\frac{20}{3}+x}{7+\frac{7}{8}x}
Combine x and -\frac{x}{8} to get \frac{7}{8}x.
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}