# Algebra Examples

Solve Using the Quadratic Formula x^2-9=0
Step 1
Use the quadratic formula to find the solutions.
Step 2
Substitute the values , , and into the quadratic formula and solve for .
Step 3
Simplify.
Step 3.1
Simplify the numerator.
Step 3.1.1
Raising to any positive power yields .
Step 3.1.2
Multiply .
Step 3.1.2.1
Multiply by .
Step 3.1.2.2
Multiply by .
Step 3.1.3