Evaluate
-2x^{4}+3x-4
Expand
-2x^{4}+3x-4
Graph
Quiz
Polynomial
( x ^ { 4 } - 3 x + 2 x ^ { 2 } + 5 x - 3 ) - ( 3 x ^ { 4 } + 2 x ^ { 2 } - x + 1 ) =
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x^{4}+2x+2x^{2}-3-\left(3x^{4}+2x^{2}-x+1\right)
Combine -3x and 5x to get 2x.
x^{4}+2x+2x^{2}-3-3x^{4}-2x^{2}+x-1
To find the opposite of 3x^{4}+2x^{2}-x+1, find the opposite of each term.
-2x^{4}+2x+2x^{2}-3-2x^{2}+x-1
Combine x^{4} and -3x^{4} to get -2x^{4}.
-2x^{4}+2x-3+x-1
Combine 2x^{2} and -2x^{2} to get 0.
-2x^{4}+3x-3-1
Combine 2x and x to get 3x.
-2x^{4}+3x-4
Subtract 1 from -3 to get -4.
x^{4}+2x+2x^{2}-3-\left(3x^{4}+2x^{2}-x+1\right)
Combine -3x and 5x to get 2x.
x^{4}+2x+2x^{2}-3-3x^{4}-2x^{2}+x-1
To find the opposite of 3x^{4}+2x^{2}-x+1, find the opposite of each term.
-2x^{4}+2x+2x^{2}-3-2x^{2}+x-1
Combine x^{4} and -3x^{4} to get -2x^{4}.
-2x^{4}+2x-3+x-1
Combine 2x^{2} and -2x^{2} to get 0.
-2x^{4}+3x-3-1
Combine 2x and x to get 3x.
-2x^{4}+3x-4
Subtract 1 from -3 to get -4.
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}