\left. \begin{array} { r } { ( - 3 x - 10 ) ( - 4 x + 10 ) } \\ { 0 - 7 x ^ { 2 } + 10 x + 10 } \end{array} \right.
Least Common Multiple
84x^{4}-50x^{3}-920x^{2}+900x+1000
Evaluate
12x^{2}+10x-100,\ 10+10x-7x^{2}
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12x^{2}+10x-100=2\left(2x-5\right)\left(3x+10\right) -7x^{2}+10x+10=-7\left(x-\left(-\frac{1}{7}\sqrt{95}+\frac{5}{7}\right)\right)\left(x-\left(\frac{1}{7}\sqrt{95}+\frac{5}{7}\right)\right)
Factor the expressions that are not already factored.
4\left(2x-5\right)\left(3x+10\right)\left(\frac{7x^{2}}{2}-5x-5\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.
84x^{4}-50x^{3}-920x^{2}+900x+1000
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}