\left. \begin{array} { l } { 5 x - x y + 15 - 3 y } \\ { 2 a x + 3 a + 4 b x + 6 b } \end{array} \right.
Least Common Multiple
\left(y-5\right)\left(x+3\right)\left(2x+3\right)\left(a+2b\right)
Evaluate
\left(5-y\right)\left(x+3\right),\ \left(2x+3\right)\left(a+2b\right)
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\left(y-5\right)\left(x+3\right)\left(2x+3\right)\left(a+2b\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.
-20bx^{2}-10ax^{2}+9axy+18bxy-90bx-45ax+2ayx^{2}+4byx^{2}+9ay+18by-90b-45a
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}