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  1. Solving quadratic equations by factoring (article) - Khan Academy

    Learn how to solve quadratic equations like (x-1) (x+3)=0 and how to use factorization to solve other forms of equations.

  2. Factoring quadratics: leading coefficient ≠ 1

    Learn how to factor quadratic expressions as the product of two linear binomials. For example, 2x²+7x+3= (2x+1) (x+3).

  3. Factoring completely with a common factor - Khan Academy

    We can factor quadratics by first pulling out a common factor so the result looks like a (x+b) (x+c). Created by Sal Khan.

  4. More examples of factoring quadratics as (x+a) (x+b)

    In this video I want to do a bunch of examples of factoring a second degree polynomial, which is often called a quadratic. Sometimes a quadratic polynomial, or just a quadratic itself, or …

  5. Solving quadratics by factoring (video) | Khan Academy

    So I've noticed something about factoring a quadratic equation. I'm not sure if this applies to all quadratic equations, but when you put one in the form of ax^2+bx+c=0, factor it, and then …

  6. Factoring quadratics in any form (article) | Khan Academy

    Tie together everything you learned about quadratic factorization in order to factor various quadratic expressions of any form.

  7. Factoring perfect square trinomials (article) | Khan Academy

    In this article, we'll learn how to factor perfect square trinomials using special patterns. This reverses the process of squaring a binomial, so you'll want to understand that completely …

  8. Quadratics: Multiplying & factoring | Algebra 1 - Khan Academy

    We can factor numbers like 24 into 2x12, or 3x8, or 4x6...But how can we factor algebraic expressions? We'll see that it's a lot like a puzzle.

  9. Factoring polynomials by taking a common factor

    Learn how to factor a common factor out of a polynomial expression. For example, factor 6x²+10x as 2x (3x+5).

  10. Solving quadratics by factoring: leading coefficient ≠ 1

    Is there a way to determine if a quadratic equation can't be factored without using the quadratic formula?