Factor
y\left(9y+2\right)
Evaluate
y\left(9y+2\right)
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y\left(4y+2+5y\right)
Factor out y.
9y+2
Consider 4y+2+5y. Multiply and combine like terms.
y\left(9y+2\right)
Rewrite the complete factored expression.
9y^{2}+2y
Combine 4y^{2} and 5y^{2} to get 9y^{2}.
Examples
Quadratic equation
{ 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
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Limits
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