\frac { 1 } { + 2 a } \quad \text { (6) } \frac { x ^ { 2 } - 4 y ^ { 2 } } { 3 x y ^ { 2 } } \cdot \frac { x y } { x + 2 y }
Evaluate
\frac{x-2y}{ay}
Factor
\frac{x-2y}{ay}
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\frac{6}{2a}\times \frac{x^{2}-4y^{2}}{3xy^{2}}\times \frac{xy}{x+2y}
Express \frac{1}{2a}\times 6 as a single fraction.
\frac{6\left(x^{2}-4y^{2}\right)}{2a\times 3xy^{2}}\times \frac{xy}{x+2y}
Multiply \frac{6}{2a} times \frac{x^{2}-4y^{2}}{3xy^{2}} by multiplying numerator times numerator and denominator times denominator.
\frac{x^{2}-4y^{2}}{axy^{2}}\times \frac{xy}{x+2y}
Cancel out 2\times 3 in both numerator and denominator.
\frac{\left(x^{2}-4y^{2}\right)xy}{axy^{2}\left(x+2y\right)}
Multiply \frac{x^{2}-4y^{2}}{axy^{2}} times \frac{xy}{x+2y} by multiplying numerator times numerator and denominator times denominator.
\frac{x^{2}-4y^{2}}{ay\left(x+2y\right)}
Cancel out xy in both numerator and denominator.
\frac{\left(x-2y\right)\left(x+2y\right)}{ay\left(x+2y\right)}
Factor the expressions that are not already factored.
\frac{x-2y}{ay}
Cancel out x+2y 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}