Evaluate
17y^{2}-2xy-8x^{3}
Expand
17y^{2}-2xy-8x^{3}
Share
Copied to clipboard
x^{3}+3xy+7y^{2}-9x^{3}-5xy+10y^{2}
To find the opposite of 9x^{3}+5xy-10y^{2}, find the opposite of each term.
-8x^{3}+3xy+7y^{2}-5xy+10y^{2}
Combine x^{3} and -9x^{3} to get -8x^{3}.
-8x^{3}-2xy+7y^{2}+10y^{2}
Combine 3xy and -5xy to get -2xy.
-8x^{3}-2xy+17y^{2}
Combine 7y^{2} and 10y^{2} to get 17y^{2}.
x^{3}+3xy+7y^{2}-9x^{3}-5xy+10y^{2}
To find the opposite of 9x^{3}+5xy-10y^{2}, find the opposite of each term.
-8x^{3}+3xy+7y^{2}-5xy+10y^{2}
Combine x^{3} and -9x^{3} to get -8x^{3}.
-8x^{3}-2xy+7y^{2}+10y^{2}
Combine 3xy and -5xy to get -2xy.
-8x^{3}-2xy+17y^{2}
Combine 7y^{2} and 10y^{2} to get 17y^{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}