Evaluate
-\frac{14}{5}=-2.8
Factor
-\frac{14}{5} = -2\frac{4}{5} = -2.8
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\frac{-7\times 4}{2\times 4+2}
Divide -7 by \frac{2\times 4+2}{4} by multiplying -7 by the reciprocal of \frac{2\times 4+2}{4}.
\frac{-28}{2\times 4+2}
Multiply -7 and 4 to get -28.
\frac{-28}{8+2}
Multiply 2 and 4 to get 8.
\frac{-28}{10}
Add 8 and 2 to get 10.
-\frac{14}{5}
Reduce the fraction \frac{-28}{10} to lowest terms by extracting and canceling out 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]
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\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}