( 7 q ^ { 3 } r ^ { 2 } + 6 q r ^ { 2 } + 21 q ) + ( - 6 q r ^ { 2 } - q r ^ { 2 } - 11 q - 3 q ^ { 2 } + q
Factor
q\left(7q^{2}r^{2}-3q-r^{2}+11\right)
Evaluate
q\left(11+7\left(qr\right)^{2}-r^{2}-3q\right)
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q\left(-r^{2}+7q^{2}r^{2}+11-3q\right)
Factor out q.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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699 * 533
Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
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