# How do you combine  (3x^2 + 7x +2) - (x^2 + y)?

##### 1 Answer
Jul 11, 2015

$= 2 {x}^{2} + 7 x + 2 - y$

#### Explanation:

 3x^2+7x+2−x^2-y

$= 3 {x}^{2} - {x}^{2} + 7 x + 2 - y$

$= 2 {x}^{2} + 7 x + 2 - y$