(a^2 - 1)(4 + 4x + x^2)(4a^2 - b^2)(4 - 4x + x^2)(c^4 - b^4)(25x^2 + 10xy + y^2)(9a^2 - 36)(9x^2 - 12xy + 4y^2)(c^2 - 9d^2)(x^2 + 2xy + y^2)
(a^2 - 1)(4 + 4x + x^2)(4a^2 - b^2)(4 - 4x + x^2)(c^4 - b^4)(25x^2 + 10xy + y^2)(9a^2 - 36)(9x^2 - 12xy + 4y^2)(c^2 - 9d^2)(x^2 + 2xy + y^2)