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\frac{x}{2}\left(13900+\left(9-1\right)\times 6950\right)
Multiply 2 and 6950 to get 13900.
\frac{x}{2}\left(13900+8\times 6950\right)
Subtract 1 from 9 to get 8.
\frac{x}{2}\left(13900+55600\right)
Multiply 8 and 6950 to get 55600.
\frac{x}{2}\times 69500
Add 13900 and 55600 to get 69500.
34750x
Cancel out 2, the greatest common factor in 69500 and 2.
\frac{x}{2}\left(13900+\left(9-1\right)\times 6950\right)
Multiply 2 and 6950 to get 13900.
\frac{x}{2}\left(13900+8\times 6950\right)
Subtract 1 from 9 to get 8.
\frac{x}{2}\left(13900+55600\right)
Multiply 8 and 6950 to get 55600.
\frac{x}{2}\times 69500
Add 13900 and 55600 to get 69500.
34750x
Cancel out 2, the greatest common factor in 69500 and 2.
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
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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}