Respuesta :

Answer:

Step-by-step explanation:

(x-5)(2x+4)

use FOIL ,  Countess

First, Outside,  Inside, Last    FOIL

= 2x*x +4*x  -5*2x -5*4

= 2[tex]x^{2}[/tex] + 4x -10x -20

= 2[tex]x^{2}[/tex] -6x -20

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