Respuesta :

xenia168

Answer:

2x² + 6x - 20

Step-by-step explanation:

A = ( 2x - 4 )( x + 5 )

A = 2x( x + 5 ) - 4 ( x + 5 )

A = 2x² + 10x - 4x - 20

A = 2x² + 6x - 20