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18-2m^{2}
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18-2m^{2}
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2\left(3-m\right)\left(3+\frac{m}{2}+\frac{m}{2}\right)
Combine -\frac{m}{2} and -\frac{m}{2} to get -m.
2\left(3-m\right)\left(3+m\right)
Combine \frac{m}{2} and \frac{m}{2} to get m.
\left(6-2m\right)\left(3+m\right)
Use the distributive property to multiply 2 by 3-m.
18+6m-6m-2m^{2}
Apply the distributive property by multiplying each term of 6-2m by each term of 3+m.
18-2m^{2}
Combine 6m and -6m to get 0.
2\left(3-m\right)\left(3+\frac{m}{2}+\frac{m}{2}\right)
Combine -\frac{m}{2} and -\frac{m}{2} to get -m.
2\left(3-m\right)\left(3+m\right)
Combine \frac{m}{2} and \frac{m}{2} to get m.
\left(6-2m\right)\left(3+m\right)
Use the distributive property to multiply 2 by 3-m.
18+6m-6m-2m^{2}
Apply the distributive property by multiplying each term of 6-2m by each term of 3+m.
18-2m^{2}
Combine 6m and -6m to get 0.
Examples
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{ 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}