# How do you find the sum or difference of #(3n^3+3n-10)-(4n^2-5n)+(4n^3-3n^2-9n+4)#?

##### 1 Answer

Feb 10, 2017

See the entire solution process below:

#### Explanation:

First, remove all the terms from parenthesis being careful to manage the signs of each individual term correctly:

Next rewrite the expression grouping like terms together:

Now, combine like terms to complete the addition and sutraction: