\left. \begin{array} { l } { ( 2 a + b ) ^ { 2 } - ( 2 a - b ) ^ { 2 } + 7 a ^ { 2 } + b ^ { 2 } - 4 ( a + b ) ^ { 2 } + 3 ( - b - a - 2 ) ( a - b - 2 ) } \\ { 1 + ( 3 x + 2 a ) ^ { 2 } + ( 3 x + 2 a ) ( 3 x - 2 a ) - ( 1 + 3 x + a ) ^ { 2 } + 2 ( 3 x + a ) - ( 3 x ) ^ { 2 } } \end{array} \right.
Least Common Multiple
-12a\left(a-6x\right)\left(b+1\right)
Evaluate
12\left(b+1\right),\ a\left(6x-a\right)
Share
Copied to clipboard
12+12b=12\left(b+1\right)
Factor the expressions that are not already factored.
-12a\left(a-6x\right)\left(b+1\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.
72abx+72ax-12ba^{2}-12a^{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}