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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