Evaluate
2x^{3}+5x^{2}-3x+8
Expand
2x^{3}+5x^{2}-3x+8
Graph
Share
Copied to clipboard
5x^{3}-11x+14-\left(-3x^{3}+6x^{3}-5x^{2}-8x+6\right)
Combine 7x^{3} and -2x^{3} to get 5x^{3}.
5x^{3}-11x+14-\left(3x^{3}-5x^{2}-8x+6\right)
Combine -3x^{3} and 6x^{3} to get 3x^{3}.
5x^{3}-11x+14-3x^{3}+5x^{2}+8x-6
To find the opposite of 3x^{3}-5x^{2}-8x+6, find the opposite of each term.
2x^{3}-11x+14+5x^{2}+8x-6
Combine 5x^{3} and -3x^{3} to get 2x^{3}.
2x^{3}-3x+14+5x^{2}-6
Combine -11x and 8x to get -3x.
2x^{3}-3x+8+5x^{2}
Subtract 6 from 14 to get 8.
5x^{3}-11x+14-\left(-3x^{3}+6x^{3}-5x^{2}-8x+6\right)
Combine 7x^{3} and -2x^{3} to get 5x^{3}.
5x^{3}-11x+14-\left(3x^{3}-5x^{2}-8x+6\right)
Combine -3x^{3} and 6x^{3} to get 3x^{3}.
5x^{3}-11x+14-3x^{3}+5x^{2}+8x-6
To find the opposite of 3x^{3}-5x^{2}-8x+6, find the opposite of each term.
2x^{3}-11x+14+5x^{2}+8x-6
Combine 5x^{3} and -3x^{3} to get 2x^{3}.
2x^{3}-3x+14+5x^{2}-6
Combine -11x and 8x to get -3x.
2x^{3}-3x+8+5x^{2}
Subtract 6 from 14 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}