Factor 5(x^3)(y^2)(z) + 100(x^2)(y^3)(z^2) by factoring out their greatest common factor. 5xyz(x^2y + 20xy^2z) 5(x^3y^2z + 20x^2y^3z^2) 5x^5y^5z^3(x + 20y) (5(x^2)(y^2)(z))(x + 20yz)