Respuesta :

Line 1:

[tex](2+x)x[/tex]

Line 2:

[tex]x(2+x)[/tex]

Line 1 to Line 2 is:

Commutative property of Multiplication.

Line 3:

[tex]x(x+2)[/tex]

Line 2 to Line 3 is:

Commutative property of Addition