Q007 :

a^4*b^2*c^6*x^5*y^3 - 2*a^2*b^4*c^6*x^5*y^3 + b^6*c^6*x^5*y^3 - b^2*c^10*x^5*y^3 - a^6*c^6*x^3*y^5 + 2*a^4*b^2*c^6*x^3*y^5 - a^2*b^4*c^6*x^3*y^5 + a^2*c^10*x^3*y^5 - a^4*b^4*c^4*x^5*y^2*z + b^8*c^4*x^5*y^2*z - 2*a^2*b^4*c^6*x^5*y^2*z + 4*b^6*c^6*x^5*y^2*z - 5*b^4*c^8*x^5*y^2*z - a^6*b^2*c^4*x^4*y^3*z - 4*a^4*b^4*c^4*x^4*y^3*z + 5*a^2*b^6*c^4*x^4*y^3*z + 4*a^4*b^2*c^6*x^4*y^3*z - 2*a^2*b^4*c^6*x^4*y^3*z - 3*a^2*b^2*c^8*x^4*y^3*z - 5*a^6*b^2*c^4*x^3*y^4*z + 4*a^4*b^4*c^4*x^3*y^4*z + a^2*b^6*c^4*x^3*y^4*z + 2*a^4*b^2*c^6*x^3*y^4*z - 4*a^2*b^4*c^6*x^3*y^4*z + 3*a^2*b^2*c^8*x^3*y^4*z - a^8*c^4*x^2*y^5*z + a^4*b^4*c^4*x^2*y^5*z - 4*a^6*c^6*x^2*y^5*z + 2*a^4*b^2*c^6*x^2*y^5*z + 5*a^4*c^8*x^2*y^5*z + a^4*b^4*c^4*x^5*y*z^2 + 2*a^2*b^6*c^4*x^5*y*z^2 + 5*b^8*c^4*x^5*y*z^2 - 4*b^6*c^6*x^5*y*z^2 - b^4*c^8*x^5*y*z^2 + 16*a^2*b^6*c^4*x^4*y^2*z^2 - 16*a^2*b^4*c^6*x^4*y^2*z^2 - 4*a^6*b^2*c^4*x^3*y^3*z^2 + 4*a^2*b^6*c^4*x^3*y^3*z^2 + 4*a^4*b^2*c^6*x^3*y^3*z^2 - 4*a^2*b^4*c^6*x^3*y^3*z^2 - 16*a^6*b^2*c^4*x^2*y^4*z^2 + 16*a^4*b^2*c^6*x^2*y^4*z^2 - 5*a^8*c^4*x*y^5*z^2 - 2*a^6*b^2*c^4*x*y^5*z^2 - a^4*b^4*c^4*x*y^5*z^2 + 4*a^6*c^6*x*y^5*z^2 + a^4*c^8*x*y^5*z^2 - a^4*b^6*c^2*x^5*z^3 + b^10*c^2*x^5*z^3 + 2*a^2*b^6*c^4*x^5*z^3 - b^6*c^6*x^5*z^3 + a^6*b^4*c^2*x^4*y*z^3 - 4*a^4*b^6*c^2*x^4*y*z^3 + 3*a^2*b^8*c^2*x^4*y*z^3 + 4*a^4*b^4*c^4*x^4*y*z^3 + 2*a^2*b^6*c^4*x^4*y*z^3 - 5*a^2*b^4*c^6*x^4*y*z^3 + 4*a^6*b^4*c^2*x^3*y^2*z^3 - 4*a^4*b^6*c^2*x^3*y^2*z^3 + 4*a^2*b^6*c^4*x^3*y^2*z^3 - 4*a^2*b^4*c^6*x^3*y^2*z^3 + 4*a^6*b^4*c^2*x^2*y^3*z^3 - 4*a^4*b^6*c^2*x^2*y^3*z^3 - 4*a^6*b^2*c^4*x^2*y^3*z^3 + 4*a^4*b^2*c^6*x^2*y^3*z^3 - 3*a^8*b^2*c^2*x*y^4*z^3 + 4*a^6*b^4*c^2*x*y^4*z^3 - a^4*b^6*c^2*x*y^4*z^3 - 2*a^6*b^2*c^4*x*y^4*z^3 - 4*a^4*b^4*c^4*x*y^4*z^3 + 5*a^4*b^2*c^6*x*y^4*z^3 - a^10*c^2*y^5*z^3 + a^6*b^4*c^2*y^5*z^3 - 2*a^6*b^2*c^4*y^5*z^3 + a^6*c^6*y^5*z^3 + 5*a^6*b^4*c^2*x^3*y*z^4 - 2*a^4*b^6*c^2*x^3*y*z^4 - 3*a^2*b^8*c^2*x^3*y*z^4 - 4*a^4*b^4*c^4*x^3*y*z^4 + 4*a^2*b^6*c^4*x^3*y*z^4 - a^2*b^4*c^6*x^3*y*z^4 + 16*a^6*b^4*c^2*x^2*y^2*z^4 - 16*a^4*b^6*c^2*x^2*y^2*z^4 + 3*a^8*b^2*c^2*x*y^3*z^4 + 2*a^6*b^4*c^2*x*y^3*z^4 - 5*a^4*b^6*c^2*x*y^3*z^4 - 4*a^6*b^2*c^4*x*y^3*z^4 + 4*a^4*b^4*c^4*x*y^3*z^4 + a^4*b^2*c^6*x*y^3*z^4 + a^6*b^6*x^3*z^5 - a^2*b^10*x^3*z^5 - 2*a^4*b^6*c^2*x^3*z^5 + a^2*b^6*c^4*x^3*z^5 + a^8*b^4*x^2*y*z^5 + 4*a^6*b^6*x^2*y*z^5 - 5*a^4*b^8*x^2*y*z^5 - 2*a^4*b^6*c^2*x^2*y*z^5 - a^4*b^4*c^4*x^2*y*z^5 + 5*a^8*b^4*x*y^2*z^5 - 4*a^6*b^6*x*y^2*z^5 - a^4*b^8*x*y^2*z^5 + 2*a^6*b^4*c^2*x*y^2*z^5 + a^4*b^4*c^4*x*y^2*z^5 + a^10*b^2*y^3*z^5 - a^6*b^6*y^3*z^5 + 2*a^6*b^4*c^2*y^3*z^5 - a^6*b^2*c^4*y^3*z^5 = 0