x(5+3y)-y(2x-5y
Evaluate
xy+5x+5y^{2}
Expand
xy+5x+5y^{2}
Quiz
x(5+3y)-y(2x-5y
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5x+3xy-y\left(2x-5y\right)
Use the distributive property to multiply x by 5+3y.
5x+3xy-\left(2yx-5y^{2}\right)
Use the distributive property to multiply y by 2x-5y.
5x+3xy-2yx-\left(-5y^{2}\right)
To find the opposite of 2yx-5y^{2}, find the opposite of each term.
5x+3xy-2yx+5y^{2}
The opposite of -5y^{2} is 5y^{2}.
5x+xy+5y^{2}
Combine 3xy and -2yx to get xy.
5x+3xy-y\left(2x-5y\right)
Use the distributive property to multiply x by 5+3y.
5x+3xy-\left(2yx-5y^{2}\right)
Use the distributive property to multiply y by 2x-5y.
5x+3xy-2yx-\left(-5y^{2}\right)
To find the opposite of 2yx-5y^{2}, find the opposite of each term.
5x+3xy-2yx+5y^{2}
The opposite of -5y^{2} is 5y^{2}.
5x+xy+5y^{2}
Combine 3xy and -2yx to get xy.
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}