(x^2-4)
(x+2)(x-2)
x^2+x-20
(x+5)(x-4)
2y^2+9y-5
(y+5)(2y-1)
a^3+2a^2+9a+18
(a^2+9)(a+2)
7x^3-700x
7x(x-10)(x+10)
(3x^2-5x+10)-(5x^2-3x+10)
-2x^2+2x
25-x^4
(5+x^2)(5-x^2)
x^2-2x-35
(x-7)(x+5)
3g^2-7g+2
(g-2)(3g-1)
k^3+2k^2-5k-10
(k^2-5)(k+2)
32w^3-16w^2+2w
2w(4w-1)^2
-3x^2y(2x^2-3x+2y)
-6x^4y+9x^3y-6x^2y^2
100x^6-1
(10x^3+1)(10x^3-1)
a^2+17a+30
(a+15)(a+2)
4b^2+12b++9
(2b+3)^2
10m^3-25m^2+4m-10
(5m^2+2)(2m-5)
27x^3y-18y
9y(3x^3-2)
(2x + 3y)(3xy-2x+6y)
6x^2y-4x^2+9xy^2+6xy+18y^2
2x^3-32x
2x(x+4)(x-4)
n^2 -20n + 75
(n-5)(n-15)
20x^3 +55x^2+30x
5x(x+2)(4x+3)
5x^2y-x^2+5y-1
(x^2+1)(5y-1)
2 +10a^3+5a+4a^2
(2a^2+1)(5a+2)
(12x^3y^2-20x^2y^2 + 8xy)/(4x^2y)
3xy +2/x-5y
363x^3y -12xy
3xy(11x+2)(11x-2)
3x^2-30x+48
3(x-8)(x-2)
10x^4y-32x^3y + 24x^2y
2x^2y(x-2)(5x-6)
12a^2+10b-8a-15ab
(3a-2)(4a-5b)
18x^2+3x-36
3(2x+3)(3x-4)
(6x^3-2x^2+12x)/(4x)*(8x-4)
12x^3-10x^2+26x-12