Respuesta :

tramserran

(x - 8)(4x + 5) - (x - 8)(2x - 4)

= (x - 8)(4x + 5 - (2x - 4))     because they share x - 8

= (x - 8)(4x + 5 - 2x + 4)       distributed the negative

= (x - 8)(2x + 9)                    added like terms

Answer: (x - 8)(2x + 9)