# How do you solve #p^2 + 3p - 9 = 0# by completing the square?

##### 2 Answers

#### Explanation:

**Step 1.** Add and subtract the perfect square term.

The perfect square term starts with the value next to the variable

Then you square the result

Then add and subtract this term in the original expression.

**Step 2.** Factor the perfect square.

The terms in

**Step 3.** Simplify the remaining terms in

**Step 4.** Solve for

Add

Take

Subtract

#### Explanation: