Respuesta :

gmany
[tex]15x^2y^3=\boxed{5x^2y}\cdot3y^2\\\\-20x^3yz=\boxed{5x^2y}\cdot(-4xz)\\\\GCF(15x^2y^3;\ -20x^3yz)=\boxed{5x^2y}[/tex]