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Complex Numbers Lessons

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Now available: Coolmath Algebra books! Part 1, Part 2 and Part 3 covering the Algebra you need from Algebra 1 through Precalculus Algebra (Beginning Algebra through College Algebra)

other Coolmath Books: Coolmath Precalculus Review (the math you really need to survive Calculus 1) and Math Survival Guide (How to conquer math and deal with math anxiety)
Complex Numbers Lesson 1 What Are Complex Numbers?
Complex Numbers Lesson 2 Factoring the Sum of Two Squares
crunch some
Complex Numbers Lesson 3 The Quadratic Formula

Solving Quadratics Practice
 This is a listing of the "crunch some" problems for this chapter
Factoring - the sum of two squares
(factoring with complex numbers)

Example: Factor x^2+9

 

 

 

 

 

 

 

 

 

 

 

 


 

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