Evaluate
x\left(3.2-x\right)\left(x+0.5\right)
Expand
-x^{3}+\frac{27x^{2}}{10}+\frac{8x}{5}
Graph
Share
Copied to clipboard
\left(x^{2}+0.5x\right)\left(3.2-x\right)
Use the distributive property to multiply x by x+0.5.
3.2x^{2}-x^{3}+1.6x-0.5x^{2}
Apply the distributive property by multiplying each term of x^{2}+0.5x by each term of 3.2-x.
2.7x^{2}-x^{3}+1.6x
Combine 3.2x^{2} and -0.5x^{2} to get 2.7x^{2}.
\left(x^{2}+0.5x\right)\left(3.2-x\right)
Use the distributive property to multiply x by x+0.5.
3.2x^{2}-x^{3}+1.6x-0.5x^{2}
Apply the distributive property by multiplying each term of x^{2}+0.5x by each term of 3.2-x.
2.7x^{2}-x^{3}+1.6x
Combine 3.2x^{2} and -0.5x^{2} to get 2.7x^{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}