Evaluate
-x^{3}-8x^{2}+6x-8
Expand
-x^{3}-8x^{2}+6x-8
Graph
Quiz
Polynomial
5 problems similar to:
( x - 2 x + 6 ) ( x - 2 ) - ( x ^ { 3 } + 2 x + 7 x ^ { 2 } - 4 )
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\left(-x+6\right)\left(x-2\right)-\left(x^{3}+2x+7x^{2}-4\right)
Combine x and -2x to get -x.
-x^{2}+8x-12-\left(x^{3}+2x+7x^{2}-4\right)
Use the distributive property to multiply -x+6 by x-2 and combine like terms.
-x^{2}+8x-12-x^{3}-2x-7x^{2}+4
To find the opposite of x^{3}+2x+7x^{2}-4, find the opposite of each term.
-x^{2}+6x-12-x^{3}-7x^{2}+4
Combine 8x and -2x to get 6x.
-8x^{2}+6x-12-x^{3}+4
Combine -x^{2} and -7x^{2} to get -8x^{2}.
-8x^{2}+6x-8-x^{3}
Add -12 and 4 to get -8.
\left(-x+6\right)\left(x-2\right)-\left(x^{3}+2x+7x^{2}-4\right)
Combine x and -2x to get -x.
-x^{2}+8x-12-\left(x^{3}+2x+7x^{2}-4\right)
Use the distributive property to multiply -x+6 by x-2 and combine like terms.
-x^{2}+8x-12-x^{3}-2x-7x^{2}+4
To find the opposite of x^{3}+2x+7x^{2}-4, find the opposite of each term.
-x^{2}+6x-12-x^{3}-7x^{2}+4
Combine 8x and -2x to get 6x.
-8x^{2}+6x-12-x^{3}+4
Combine -x^{2} and -7x^{2} to get -8x^{2}.
-8x^{2}+6x-8-x^{3}
Add -12 and 4 to get -8.
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}