Question

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

Answer 1

= (5xy + 5x) + (4xy - 2x)
= 5xy + 4xy + 5x - 2x
= 9xy +3x

Answer 2

Resposta:

$(5xy + 5x) + (4xy - 2x) =$

$= 5xy + 5x + 4xy - 2x =$

$= 5xy + 4xy + 5x - 2x =$

$= (5 + 4)xy + (5 - 2)x =$

$= 9xy + 3x$

Espero ter ajudado.