Evaluate
\frac{1}{5}=0.2
Factor
\frac{1}{5} = 0.2
Graph
Quiz
Polynomial
5 problems similar to:
\frac { x - 6 } { 5 x + 20 } \cdot \frac { 3 x + 12 } { 3 x - 18 }
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\frac{x-6}{5x+20}\times \frac{3\left(x+4\right)}{3\left(x-6\right)}
Factor the expressions that are not already factored in \frac{3x+12}{3x-18}.
\frac{x-6}{5x+20}\times \frac{x+4}{x-6}
Cancel out 3 in both numerator and denominator.
\frac{\left(x-6\right)\left(x+4\right)}{\left(5x+20\right)\left(x-6\right)}
Multiply \frac{x-6}{5x+20} times \frac{x+4}{x-6} by multiplying numerator times numerator and denominator times denominator.
\frac{x+4}{5x+20}
Cancel out x-6 in both numerator and denominator.
\frac{x+4}{5\left(x+4\right)}
Factor the expressions that are not already factored.
\frac{1}{5}
Cancel out x+4 in both numerator and denominator.
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}