Factor
\left(x+3\right)\left(x+a\right)
Evaluate
\left(x+3\right)\left(x+a\right)
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x\left(x+a\right)+3\left(x+a\right)
Do the grouping x^{2}+ax+3x+3a=\left(x^{2}+ax\right)+\left(3x+3a\right), and factor out x in the first and 3 in the second group.
\left(x+a\right)\left(x+3\right)
Factor out common term x+a by using distributive property.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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