Question 78791

Distributive Law:  a(b+c) = ab + ac
Associative Law:  (a+b)+c = a+(b+c)
Commutative Law:  a*b = b*a

<pre>

3(x+2)+5x = (3x + 6) + 5x (distributive law)
          = (3x + 5x) + 6 (associative law)
          = (3+5)x + 6    (distributive law)
          = 8x
</pre>

I don't see that the commutative law is used here.