Khan Academy on a Stick : Example: Completing perfect square trinomials

Khan Academy on a Stick

Completing the square

Solving Quadratic Equations by Square Roots
Example: Solving simple quadratic
Solving Quadratic Equations by Completing the Square
Completing the square (old school)
Example: Completing perfect square trinomials
Example 1: Completing the square
Example 2: Completing the square
Example 3: Completing the square
Example 4: Completing the square
Example 5: Completing the square

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