# How do you combine like terms in #(5x ^ { 3} - 9x + 6) - ( 7x ^ { 2} + 2x - 1)#?

##### 1 Answer

Mar 23, 2017

5x^3 - 7x^2 -11x + 5

#### Explanation:

You order the polynomial by decreasing powers of x and collect terms that have the same exponent. For instance