Evaluate
x\left(x-5y+4\right)
Expand
x^{2}-5xy+4x
Quiz
Algebra
5 problems similar to:
x ( 2 x - 3 y + 1 ) - \frac { ( 4 x ^ { 2 } + 8 x y - 12 x ) } { 4 }
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x\left(2x-3y+1\right)-\left(-3x+x^{2}+2xy\right)
Divide each term of 4x^{2}+8xy-12x by 4 to get -3x+x^{2}+2xy.
x\left(2x-3y+1\right)+3x-x^{2}-2xy
To find the opposite of -3x+x^{2}+2xy, find the opposite of each term.
2x^{2}-3xy+x+3x-x^{2}-2xy
Use the distributive property to multiply x by 2x-3y+1.
2x^{2}-3xy+4x-x^{2}-2xy
Combine x and 3x to get 4x.
x^{2}-3xy+4x-2xy
Combine 2x^{2} and -x^{2} to get x^{2}.
x^{2}-5xy+4x
Combine -3xy and -2xy to get -5xy.
x\left(2x-3y+1\right)-\left(-3x+x^{2}+2xy\right)
Divide each term of 4x^{2}+8xy-12x by 4 to get -3x+x^{2}+2xy.
x\left(2x-3y+1\right)+3x-x^{2}-2xy
To find the opposite of -3x+x^{2}+2xy, find the opposite of each term.
2x^{2}-3xy+x+3x-x^{2}-2xy
Use the distributive property to multiply x by 2x-3y+1.
2x^{2}-3xy+4x-x^{2}-2xy
Combine x and 3x to get 4x.
x^{2}-3xy+4x-2xy
Combine 2x^{2} and -x^{2} to get x^{2}.
x^{2}-5xy+4x
Combine -3xy and -2xy to get -5xy.
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}