# How do you complete the square and solve #x^2+3x-28=0#?

##### 1 Answer

Nov 28, 2016

#### Explanation:

First, to factor the quadratic equation we need to play with integers which multiple to 28: 1,28 and 2,14 and 4,7

Trying combinations of these allows us to rewrite this problem as:

We can now solve for