Which property justifies this step in simplifying an expression, 5x^2 + x^2 + 2x + 4 = (5x^2 + x^2) + 2x + 4?
a. the associative property
b. the inverse property
c. the commutative property
d. the distributive property

Question

Which property justifies this step in simplifying an expression, 5x^2 + x^2 + 2x + 4 = (5x^2 + x^2) + 2x + 4?
a. the associative property
b. the inverse property
c. the commutative property 
d. the distributive property

anonymous · Answer

I would like to say that it is distributive property here is the link I was looking at maybe it would help you better: http://www.purplemath.com/modules/numbprop.htm

anonymous · Answer

Thank you, I picked that one too but I wanted a second opinion, thank sweetie!

anonymous · Answer

Welcome! :D