If you know how to use the distributive property and you know how to combine like terms, then you can simplify this expression.

A straightforward definition of the associative property of addition and multiplication, this resource could be used to help learners tackle the concept. You might consider giving the link to struggling class members so they can use it...

If you know how to use the distributive property and you know how to combine like terms, then you can simplify this expression.