Evaluate
x\left(7x^{2}-14x-5\right)
Factor
7x\left(x-\left(-\frac{2\sqrt{21}}{7}+1\right)\right)\left(x-\left(\frac{2\sqrt{21}}{7}+1\right)\right)
Graph
Quiz
Polynomial
5 problems similar to:
5 x ^ { 3 } - 7 x + 2 x - 9 x ^ { 2 } + 2 x ^ { 3 } - 5 x ^ { 2 } =
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5x^{3}-5x-9x^{2}+2x^{3}-5x^{2}
Combine -7x and 2x to get -5x.
7x^{3}-5x-9x^{2}-5x^{2}
Combine 5x^{3} and 2x^{3} to get 7x^{3}.
7x^{3}-5x-14x^{2}
Combine -9x^{2} and -5x^{2} to get -14x^{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}