Khan Academy Static

Learn how to solve any quadratic equation with the most general tool of all, the quadratic formula!

3364_Proof_of_the_quadratic_formula.html

3363_Using_the_quadratic_formula_number_of_solutions.html

3362_Worked_example_quadratic_formula_negative_coefficients_.html

3358_The_quadratic_formula.html

3365_Quadratic_equations_word_problem.html

3361_Worked_example_quadratic_formula_example_2_.html

3360_Worked_example_quadratic_formula.html

3359_Using_the_quadratic_formula.html

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