# How do you solve #v^2 - 4v - 30 = 0# by completing the square?

##### 1 Answer

Jun 3, 2016

#### Answer:

#### Explanation:

Step 1. Move the constant to the other side.

Step 2: -4 is the coefficient of the x-term

Halve it and square it and add to both sides.

Step 3; The left side can be written as a binomial squared.

Step 4. Find the square root of both sides.

Step 5. Do two calculations - once with the positive root and once with the negative root.