Solving Quadratic Equations - Cool math Algebra Help Lessons

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Coolmath Algebra
Solving Quadratics Lesson 6 - Overview (page 1 of 4)
---- This algebra lesson gives an overview and review of the techniques used to solve quadratic equation: factoring, taking the square root of both sides, the quadratic formula (quadranator).

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We've got three methods for solving quadratics:

METHOD 1: Factoring

*Quick and easy IF something factors right away...
only for "math book" problems

Example:

Solve

Factor: ( 7x - 1 ) ( x - 3 ) = 0 ... Blobs = 0 : 7x - 1 = 0 or x - 3 = 0 which gives 7x = 1 or x = 3 which gives x = 1/7 or x = 3

{ 1/7 , 3 }

TRY IT:

Solve

Continued on the next page

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