(x^2+8)
x^2-x-6
(8x^3+8)
(125x^3-64)
x^3-27
x^2-25
x^2+5x+6
X^2+x-6
(16x^4-9y^2)
(64x^4-49y^4)
x^3+8
(x^2-81)
(8x^2+7y^2)(8x^2-7y^2)
(x^2+8)
(4x^2-3y)(4x^2+3y)
(x-3)(x^2+3x+9)
(x+3)(x-2)
(x-3)(x+2)
(x+5)(x-5)
(x+3)(x+2)
(2x+2)(4x^2-4x+4)
(x+9)(x-9)
(x+2)(x^2-2x+4)
(5x-4)(25x^2+20x+16)
