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  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. Factoring perfect squares (video) | Khan Academy

    Let's just think about what happens when we take the perfect square of a binomial, especially when the coefficient on the x term is not a 1. If we have ax plus b squared, what will this look …

  3. Perfect square factorization intro (video) | Khan Academy

    The perfect square concept is important because we could factor any squares, but perfect squares get whole numbers. So I could say that x^2 - 3 factors to (x + √3) (x - √3) which is …

  4. 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 …

  5. 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 …

  6. Perfect squares (practice) | Khan Academy

    Factor quadratic expressions of the general perfect square forms: (ax)²+2abx+b² or (ax)²-2abx+b². The factored expressions have the general forms (ax+b)² or (ax-b)².

  7. Factoring perfect squares (video) | Khan Academy

    In the video, Sal showed us 2 possible answers to factor out the trinomial. So, if I have to answer this question like in a test or something, am I supposed to show the 2 possible answers even …

  8. Completing the square review (article) | Khan Academy

    Completing the square is a technique for factoring quadratics. This article reviews the technique with examples and even lets you practice the technique yourself.

  9. Squaring binomials of the form (x+a)² (video) | Khan Academy

    Sal introduces perfect square expressions. For example, (x+7)² is expanded as x²+14x+49.

  10. Factoring using the difference of squares pattern - Khan Academy

    -- A perfect square has two identical factors, and the result of multiplying the factors is a quadratic trinomial. -- A difference of squares has two factors that have the same start and ending …