Evaluate
m\left(1-2m\right)
Expand
m-2m^{2}
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7m^{2}+m-\left(-3m\right)^{2}
Combine -m and 2m to get m.
7m^{2}+m-\left(-3\right)^{2}m^{2}
Expand \left(-3m\right)^{2}.
7m^{2}+m-9m^{2}
Calculate -3 to the power of 2 and get 9.
-2m^{2}+m
Combine 7m^{2} and -9m^{2} to get -2m^{2}.
7m^{2}+m-\left(-3m\right)^{2}
Combine -m and 2m to get m.
7m^{2}+m-\left(-3\right)^{2}m^{2}
Expand \left(-3m\right)^{2}.
7m^{2}+m-9m^{2}
Calculate -3 to the power of 2 and get 9.
-2m^{2}+m
Combine 7m^{2} and -9m^{2} to get -2m^{2}.
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\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.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}