\left. \begin{array} { l } { ( x - 2 ) ( x + 2 ) - ( x + 1 ) ( x - 3 ) } \\ { ( 2 x - y ) ^ { 2 } - 4 ( x - y ) ( x + 2 y ) } \end{array} \right.
Least Common Multiple
y\left(2x-1\right)\left(9y-8x\right)
Evaluate
2x-1,\ y\left(9y-8x\right)
Share
Copied to clipboard
-8yx+9y^{2}=y\left(-8x+9y\right)
Factor the expressions that are not already factored.
y\left(2x-1\right)\left(9y-8x\right)
Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.
18xy^{2}+8xy-9y^{2}-16yx^{2}
Expand the expression.
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}