Evaluate
\frac{3\left(x+3\right)}{4}
Expand
\frac{3x+9}{4}
Graph
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\frac{\frac{\left(x+3\right)\times 3}{2}}{2}
Express \frac{x+3}{2}\times 3 as a single fraction.
\frac{\left(x+3\right)\times 3}{2\times 2}
Express \frac{\frac{\left(x+3\right)\times 3}{2}}{2} as a single fraction.
\frac{\left(x+3\right)\times 3}{4}
Multiply 2 and 2 to get 4.
\frac{3x+9}{4}
Use the distributive property to multiply x+3 by 3.
\frac{\frac{\left(x+3\right)\times 3}{2}}{2}
Express \frac{x+3}{2}\times 3 as a single fraction.
\frac{\left(x+3\right)\times 3}{2\times 2}
Express \frac{\frac{\left(x+3\right)\times 3}{2}}{2} as a single fraction.
\frac{\left(x+3\right)\times 3}{4}
Multiply 2 and 2 to get 4.
\frac{3x+9}{4}
Use the distributive property to multiply x+3 by 3.
Examples
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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
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Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}