# What is the standard form of # y= (x + 2)(x - 2)(x + y) #?

##### 1 Answer

Jun 2, 2016

#### Explanation:

First perform the multiplications on the right side.

Note the degree of each term:

(the degree of a term is the sum of its variable exponents)

Arrange the terms in descending degree order with lexicographic preference to terms of the same degree based on their variables.