Evaluate
\left(x^{2}+3\right)\left(x^{2}-2x+3\right)+x
Expand
x^{4}-2x^{3}+6x^{2}-5x+9
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x^{4}-2x^{3}+7x^{2}-6x+9-\left(x^{2}-x+3\right)+3
Square x^{2}-x+3.
x^{4}-2x^{3}+7x^{2}-6x+9-x^{2}+x-3+3
To find the opposite of x^{2}-x+3, find the opposite of each term.
x^{4}-2x^{3}+6x^{2}-6x+9+x-3+3
Combine 7x^{2} and -x^{2} to get 6x^{2}.
x^{4}-2x^{3}+6x^{2}-5x+9-3+3
Combine -6x and x to get -5x.
x^{4}-2x^{3}+6x^{2}-5x+6+3
Subtract 3 from 9 to get 6.
x^{4}-2x^{3}+6x^{2}-5x+9
Add 6 and 3 to get 9.
x^{4}-2x^{3}+7x^{2}-6x+9-\left(x^{2}-x+3\right)+3
Square x^{2}-x+3.
x^{4}-2x^{3}+7x^{2}-6x+9-x^{2}+x-3+3
To find the opposite of x^{2}-x+3, find the opposite of each term.
x^{4}-2x^{3}+6x^{2}-6x+9+x-3+3
Combine 7x^{2} and -x^{2} to get 6x^{2}.
x^{4}-2x^{3}+6x^{2}-5x+9-3+3
Combine -6x and x to get -5x.
x^{4}-2x^{3}+6x^{2}-5x+6+3
Subtract 3 from 9 to get 6.
x^{4}-2x^{3}+6x^{2}-5x+9
Add 6 and 3 to get 9.
Examples
Quadratic equation
{ 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}