Evaluate
\frac{27a-9}{11}
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\frac{27a-9}{11}
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\frac{3a-1}{11}\times 9
Add 9 and 2 to get 11.
\frac{\left(3a-1\right)\times 9}{11}
Express \frac{3a-1}{11}\times 9 as a single fraction.
\frac{27a-9}{11}
Use the distributive property to multiply 3a-1 by 9.
\frac{3a-1}{11}\times 9
Add 9 and 2 to get 11.
\frac{\left(3a-1\right)\times 9}{11}
Express \frac{3a-1}{11}\times 9 as a single fraction.
\frac{27a-9}{11}
Use the distributive property to multiply 3a-1 by 9.
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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}