Evaluate
x\left(x-1\right)\left(7x+3\right)
Expand
7x^{3}-4x^{2}-3x
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3x^{2}-3x+7x^{2}\left(x-1\right)
Use the distributive property to multiply 3x by x-1.
3x^{2}-3x+7x^{3}-7x^{2}
Use the distributive property to multiply 7x^{2} by x-1.
-4x^{2}-3x+7x^{3}
Combine 3x^{2} and -7x^{2} to get -4x^{2}.
3x^{2}-3x+7x^{2}\left(x-1\right)
Use the distributive property to multiply 3x by x-1.
3x^{2}-3x+7x^{3}-7x^{2}
Use the distributive property to multiply 7x^{2} by x-1.
-4x^{2}-3x+7x^{3}
Combine 3x^{2} and -7x^{2} to get -4x^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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\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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