Question

efetuando-se [x+2] [2x+3] obtém-se

Answer 1

(x + 2 ) (2x + 3)
2x² + 3x + 4x + 6
2x² + 7x + 6

Answer 2

= (x + 2) . ( 2x + 3)
= (x. 2x) + (x.3) + (2. 2x) + (2.3)
= 2x² + 3x + 4x + 6
= 2x² + 7x + 6