Evaluate
x^{2}\left(-2x^{3}+x-4\right)
Expand
-2x^{5}+x^{3}-4x^{2}
Graph
Quiz
Polynomial
5 problems similar to:
- ( 2 x - 4 x ^ { 3 } - 8 ) \cdot ( - \frac { 1 } { 2 } x ^ { 2 } )
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\left(-2x+4x^{3}+8\right)\left(-\frac{1}{2}\right)x^{2}
To find the opposite of 2x-4x^{3}-8, find the opposite of each term.
\left(x-2x^{3}-4\right)x^{2}
Use the distributive property to multiply -2x+4x^{3}+8 by -\frac{1}{2}.
x^{3}-2x^{5}-4x^{2}
Use the distributive property to multiply x-2x^{3}-4 by x^{2}.
\left(-2x+4x^{3}+8\right)\left(-\frac{1}{2}\right)x^{2}
To find the opposite of 2x-4x^{3}-8, find the opposite of each term.
\left(x-2x^{3}-4\right)x^{2}
Use the distributive property to multiply -2x+4x^{3}+8 by -\frac{1}{2}.
x^{3}-2x^{5}-4x^{2}
Use the distributive property to multiply x-2x^{3}-4 by x^{2}.
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}