\left. \begin{array} { l } { 7 a - 9 b + 6 a - 4 b } \\ { a + b - c - b - c + 2 c - a } \\ { 5 x - 11 y - 9 + 20 x - 1 - y } \\ { - 6 m + 8 n + 5 - m - n - 6 m - 11 } \\ { - a + b + 2 b - 2 c + 3 a + 2 c - 3 b } \\ { - 81 x + 19 y - 30 z + 6 y + 80 x + x - 25 } \end{array} \right.
Least Common Multiple
0
Evaluate
13a-13b,\ 0,\ 25x-12y-10,\ 7n-13m-6,\ 2a,\ 25y-30z-25
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13a-13b=13\left(a-b\right) 25y-30z-25=5\left(5y-6z-5\right)
Factor the expressions that are not already factored.
0
Identify all the factors and their highest power in all expressions. Multiply the highest powers of these factors to get the least common multiple.
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}