Evaluate
30+35x-6x^{2}-18x^{3}
Expand
30+35x-6x^{2}-18x^{3}
Graph
Share
Copied to clipboard
\left(6x+5\right)\left(x-3x^{2}+5\right)+3x^{2}+5
Multiply 3 and 2 to get 6.
-9x^{2}-18x^{3}+35x+25+3x^{2}+5
Use the distributive property to multiply 6x+5 by x-3x^{2}+5 and combine like terms.
-6x^{2}-18x^{3}+35x+25+5
Combine -9x^{2} and 3x^{2} to get -6x^{2}.
-6x^{2}-18x^{3}+35x+30
Add 25 and 5 to get 30.
\left(6x+5\right)\left(x-3x^{2}+5\right)+3x^{2}+5
Multiply 3 and 2 to get 6.
-9x^{2}-18x^{3}+35x+25+3x^{2}+5
Use the distributive property to multiply 6x+5 by x-3x^{2}+5 and combine like terms.
-6x^{2}-18x^{3}+35x+25+5
Combine -9x^{2} and 3x^{2} to get -6x^{2}.
-6x^{2}-18x^{3}+35x+30
Add 25 and 5 to get 30.
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}