Evaluate
x^{3}+13x^{2}-7x-9
Expand
x^{3}+13x^{2}-7x-9
Graph
Quiz
Polynomial
5 problems similar to:
6 ( 3 x ^ { 2 } - 1 ) + ( x ^ { 3 } - 7 x - 5 x ^ { 2 } - 3 ) =
Share
Copied to clipboard
18x^{2}-6+x^{3}-7x-5x^{2}-3
Use the distributive property to multiply 6 by 3x^{2}-1.
13x^{2}-6+x^{3}-7x-3
Combine 18x^{2} and -5x^{2} to get 13x^{2}.
13x^{2}-9+x^{3}-7x
Subtract 3 from -6 to get -9.
18x^{2}-6+x^{3}-7x-5x^{2}-3
Use the distributive property to multiply 6 by 3x^{2}-1.
13x^{2}-6+x^{3}-7x-3
Combine 18x^{2} and -5x^{2} to get 13x^{2}.
13x^{2}-9+x^{3}-7x
Subtract 3 from -6 to get -9.
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}