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3-2x
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x^{3}+x-x^{2}\left(x-3\right)-3\left(x^{2}+x-1\right)
Use the distributive property to multiply x by x^{2}+1.
x^{3}+x-\left(x^{3}-3x^{2}\right)-3\left(x^{2}+x-1\right)
Use the distributive property to multiply x^{2} by x-3.
x^{3}+x-x^{3}+3x^{2}-3\left(x^{2}+x-1\right)
To find the opposite of x^{3}-3x^{2}, find the opposite of each term.
x+3x^{2}-3\left(x^{2}+x-1\right)
Combine x^{3} and -x^{3} to get 0.
x+3x^{2}-3x^{2}-3x+3
Use the distributive property to multiply -3 by x^{2}+x-1.
x-3x+3
Combine 3x^{2} and -3x^{2} to get 0.
-2x+3
Combine x and -3x to get -2x.
x^{3}+x-x^{2}\left(x-3\right)-3\left(x^{2}+x-1\right)
Use the distributive property to multiply x by x^{2}+1.
x^{3}+x-\left(x^{3}-3x^{2}\right)-3\left(x^{2}+x-1\right)
Use the distributive property to multiply x^{2} by x-3.
x^{3}+x-x^{3}+3x^{2}-3\left(x^{2}+x-1\right)
To find the opposite of x^{3}-3x^{2}, find the opposite of each term.
x+3x^{2}-3\left(x^{2}+x-1\right)
Combine x^{3} and -x^{3} to get 0.
x+3x^{2}-3x^{2}-3x+3
Use the distributive property to multiply -3 by x^{2}+x-1.
x-3x+3
Combine 3x^{2} and -3x^{2} to get 0.
-2x+3
Combine x and -3x to get -2x.
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}