Khan Academy
Khan Academy: Algebra: Factoring Special Products
Demonstrates how to solve quadratic equations by factoring. Four equations are solved some involving special products including perfect square trinomials and difference of squares. This video also appears in the Algebra: ck12.org strand....
Khan Academy
Khan Academy: Algebra: Multiplying and Dividing Rational Expressions 2
Video lesson on multiplying rational expressions and simplifying the result by factoring the difference of squares. Includes stating the domain of the expression. [4:52]
Khan Academy
Khan Academy: Algebra: Extraneous Solutions to Rational Equations
A step-by-step demonstration on how to solve a rational equation and eliminate any extraneous solutions. [3:03]
Khan Academy
Khan Academy: Rational Functions: Extraneous Solutions to Rational Equations
A step-by-step demonstration on how to solve a rational equation and eliminate any extraneous solutions.
Khan Academy
Khan Academy: Simplifying Rational Expressions 3
A demonstration on how to simplify a rational expression and stating the domain.
Study Pug
Study Pug: Adding and Subtracting Rational Expressions
When adding and subtracting rational expressions, the denominators of the expressions will dictate how we solve the questions. Learn more about subtracting rational expressions from this video, which includes detailed explanations and...