# Solving Quadratic Equations By Factoring – Basic Examples, Quadratic Formula – Algebra

This algebra video tutorial shows you how to solve quadratic equations by factoring. It shows you how to factor quadratic expressions using the difference of squares method, the ac method, factoring by grouping, removing the gcf – greatest common factor, factoring polynomials with 3 terms or factoring trinomials. It also shows you how to solve quadratic equations by using the quadratic formula. This video provides basic examples and plenty of practice problems.

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Here is a list of topics:

1. Solving Quadratic Equations by Factoring Binomials Using Difference of Perfect Squares Method
x^2-25=0, x^2-64=0, 9x^2-64=0

2. Solving Quadratic Equations By Factoring The GCF – Greatest Common Factor
x^2+2x=0, 4x^2-8x=0, 12x^2-27=0

3. Solving Quadratic Equations By Factoring Trinomials When The Leading Coefficient is 1
x^2+7x+12=0, x^2+11x+30=0, x^2-14x+48=0, x^2+3x-180=0

4. Solving Quadratic Equations By Factoring Trinomials when The Leading Coefficient is not 1
2x^2-x-3=0, 6x^2+13x-5=0, 60x^2-x-21=0