(9+y \left( 81-9y+ { y }^{ 2 } \right)
Evaluate
y\left(y^{2}-9y+81\right)+9
Expand
y^{3}-9y^{2}+81y+9
Graph
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9+81y-9y^{2}+y^{3}
Use the distributive property to multiply y by 81-9y+y^{2}.
9+81y-9y^{2}+y^{3}
Use the distributive property to multiply y by 81-9y+y^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
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y = 3x + 4
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}