Evaluate
\frac{x}{3}+2
Factor
\frac{x+6}{3}
Graph
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\frac{x}{3}+\frac{2\times 3}{3}
To add or subtract expressions, expand them to make their denominators the same. Multiply 2 times \frac{3}{3}.
\frac{x+2\times 3}{3}
Since \frac{x}{3} and \frac{2\times 3}{3} have the same denominator, add them by adding their numerators.
\frac{x+6}{3}
Do the multiplications in x+2\times 3.
\frac{x+6}{3}
Factor out \frac{1}{3}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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
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Limits
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