Evaluate
-\frac{1281804}{65}\approx -19720.061538462
Factor
-\frac{1281804}{65} = -19720\frac{4}{65} = -19720.061538461538
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\frac{258}{65}\times 2-36\times 548
Divide 4 by 2 to get 2.
\frac{258\times 2}{65}-36\times 548
Express \frac{258}{65}\times 2 as a single fraction.
\frac{516}{65}-36\times 548
Multiply 258 and 2 to get 516.
\frac{516}{65}-19728
Multiply 36 and 548 to get 19728.
\frac{516}{65}-\frac{1282320}{65}
Convert 19728 to fraction \frac{1282320}{65}.
\frac{516-1282320}{65}
Since \frac{516}{65} and \frac{1282320}{65} have the same denominator, subtract them by subtracting their numerators.
-\frac{1281804}{65}
Subtract 1282320 from 516 to get -1281804.
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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}