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Factoring - Difference of Squares

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Factoring - Difference of Squares

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    1. Factoring - Difference of Squares

    2. What is a Perfect Square

    3. What numbers are Perfect Squares?

    4. Factoring: Difference of Squares Count the number of terms. Is it a binomial? Is the first term a perfect square? Is the last term a perfect square? Is it, or could it be, a subtraction of two perfect squares? x2 – 9 = (x + 3)(x – 3) The sum of squares will not factor a2+b2

    5. Using FOIL we find the product of two binomials.

    6. Rewrite the polynomial as the product of a sum and a difference.

    7. Conditions for Difference of Squares Must be a binomial with subtraction. First term must be a perfect square. (x)(x) = x2 Second term must be a perfect square (6)(6) = 36

    8. Recognizing the Difference of Squares

    9. Recognizing the Difference of Squares

    10. Check for GCF.

    11. Removing a GCF of -1.

    12. Difference of Squares

    14. Factoring - Difference of Squares

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