Factor
\left(x-7\right)\left(y+1\right)
Evaluate
\left(x-7\right)\left(y+1\right)
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x\left(y+1\right)-7\left(y+1\right)
Do the grouping xy+x-7y-7=\left(xy+x\right)+\left(-7y-7\right), and factor out x in the first and -7 in the second group.
\left(y+1\right)\left(x-7\right)
Factor out common term y+1 by using distributive property.
Examples
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Matrix
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Simultaneous equation
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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Limits
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