Respuesta :

Answer:

Step-by-step explanation:

2x+(x)(3+x) multiple or foil the ()

2x+3x+x^2 combine like terms

5x+x^2 or x^2+5x

5x + x^2
distribute x to 3 and x
that leaves you with 2x+3x+x^2
then combine like terms
and you get 5x + x^2