Evaluate
6y\left(3y-1\right)
Expand
18y^{2}-6y
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6y^{2}+6y+4y\left(3y-3\right)
Use the distributive property to multiply 2y by 3y+3.
6y^{2}+6y+12y^{2}-12y
Use the distributive property to multiply 4y by 3y-3.
18y^{2}+6y-12y
Combine 6y^{2} and 12y^{2} to get 18y^{2}.
18y^{2}-6y
Combine 6y and -12y to get -6y.
6y^{2}+6y+4y\left(3y-3\right)
Use the distributive property to multiply 2y by 3y+3.
6y^{2}+6y+12y^{2}-12y
Use the distributive property to multiply 4y by 3y-3.
18y^{2}+6y-12y
Combine 6y^{2} and 12y^{2} to get 18y^{2}.
18y^{2}-6y
Combine 6y and -12y to get -6y.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}