Respuesta :
[tex] (2x^2-4x)(6x^2-5x)\\\\=(2x^2)(6x^2)+(2x^2)(-5x)+(-4x)(6x^2)+(-4x)(-5x)\\\\=12x^4-10x^3-24x^3+20x^2\\\\=12x^4-34x^3+20x^2 [/tex]
[tex] (2x^2-4x)(6x^2-5x)\\\\=(2x^2)(6x^2)+(2x^2)(-5x)+(-4x)(6x^2)+(-4x)(-5x)\\\\=12x^4-10x^3-24x^3+20x^2\\\\=12x^4-34x^3+20x^2 [/tex]