Factor
\left(7y+5\right)\left(3x+5r\right)
Evaluate
\left(7y+5\right)\left(3x+5r\right)
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3x\left(7y+5\right)+5r\left(7y+5\right)
Do the grouping 21xy+15x+35ry+25r=\left(21xy+15x\right)+\left(35ry+25r\right), and factor out 3x in the first and 5r in the second group.
\left(7y+5\right)\left(3x+5r\right)
Factor out common term 7y+5 by using distributive property.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
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Linear equation
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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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