Evaluate
y\left(11-13y\right)
Factor
y\left(11-13y\right)
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11y-4y^{2}-9y^{2}
Combine 8y and 3y to get 11y.
11y-13y^{2}
Combine -4y^{2} and -9y^{2} to get -13y^{2}.
y\left(11-13y\right)
Factor out y.
-13y+11
Consider 8-4y+3-9y. Multiply and combine like terms.
y\left(-13y+11\right)
Rewrite the complete factored expression.
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
Arithmetic
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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