Respuesta :

Answer:

[tex](6x - y)(2x - y + 2) \\ \\ = 6x(2x - y + 2) - y(2x - y + 2) \\ \\ = 12 {x}^{2} - 6xy + 12x - 2xy + {y}^{2} - 2y \\ \\ = 12 {x}^{2} + {y}^{2} - 6xy + 12x - 2y \\ \\ [/tex]