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Factor polynomial -y+xy-2y^2

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              2
-y + x*y - 2*y

$$- 2 y^{2} + \left(x y - y\right)$$

-y + x*y - 2*y^2

Factorization [src]

(x + -1 - 2*y)*y

$$y \left(x + \left(- 2 y - 1\right)\right)$$

(x - 1 - 2*y)*y

General simplification [src]

y*(-1 + x - 2*y)

$$y \left(x - 2 y - 1\right)$$

y*(-1 + x - 2*y)

Numerical answer [src]

-y - 2.0*y^2 + x*y

-y - 2.0*y^2 + x*y

Common denominator [src]

        2      
-y - 2*y  + x*y

$$x y - 2 y^{2} - y$$

-y - 2*y^2 + x*y

Assemble expression [src]

        2      
-y - 2*y  + x*y

$$x y - 2 y^{2} - y$$

     2             
- 2*y  + y*(-1 + x)

$$- 2 y^{2} + y \left(x - 1\right)$$

-2*y^2 + y*(-1 + x)

Combinatorics [src]

y*(-1 + x - 2*y)

$$y \left(x - 2 y - 1\right)$$

y*(-1 + x - 2*y)

Combining rational expressions [src]

y*(-1 + x - 2*y)

$$y \left(x - 2 y - 1\right)$$

y*(-1 + x - 2*y)

Rational denominator [src]

        2      
-y - 2*y  + x*y

$$x y - 2 y^{2} - y$$

-y - 2*y^2 + x*y

Trigonometric part [src]

        2      
-y - 2*y  + x*y

$$x y - 2 y^{2} - y$$

-y - 2*y^2 + x*y

Powers [src]

        2      
-y - 2*y  + x*y

$$x y - 2 y^{2} - y$$

-y - 2*y^2 + x*y

Factor polynomial -y+x*y-2*y^2