Respuesta :

[tex](4x^{3}y^{-2})(3x^{-2}y^{4}) \\(4(-2)^{3}(-1)^{-2})(3(-2)^{-2}(-1)^{4}) \\(4(8)(\frac{1}{(-1)^{2}})(3(\frac{1}{(-2)^{2}})(1)) \\(32(\frac{1}{2}))(3(\frac{1}{4})(1)) \\(16)(\frac{3}{4}(1)) \\(16)(\frac{3}{4}) \\12[/tex]