Solving Quadratic Equations

# Factoring

Re-arranging the equation into the standard form

where , and are numeric constants.

Find factors of that adds up to .

The equation then can be expressed as such

# Quadratic Formula

Substitute the constants to the formula.

# Use Square Root

Write the formula into the following format.

# Completing the Square

# Reference

• 4 WAYS TO SOLVE A QUADRATIC EQUATION | Algebra 1 & 2 | Factoring, Square Roots, Quadratic Formula