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Math Lessons - 7




 



This is a series of mathematics lessons that will review the important topics in algebra. It is presented in videos by the Portland Community College


Math 65 - Lesson 11a
Special form factorization Perfect Square Trinomials
Difference of Squares, Sum or difference of cubes

Math 65 - Lesson 11b
Discuss what went wrong in the following “factorizations”





Math 65 - Lesson 12a
Solving Quadratic Equations by Factoring
What is a quadratic equation? The zero-product principle, Examples
Math 65 - Lesson 12b
Solving Quadratic Equations by Factoring - Enabling the zero product principle



 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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