Alg. 2: L3.1.3 Multiplying and Factoring Polynomials

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(x + 5)(x - 5)

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2n^2(4n + 1)

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2(2x - 5)

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(x + 10)(x - 3)

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Multiply: (r + 7)(r - 7)

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r^2 - 49

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What is the difference of squares formula?

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a^2 - b^2 = (a + b)(a - b)

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What is the first step in factoring a polynomial?

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Look for a common factor in all terms.

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(x + 3)(x + 3) or (x + 3)^2

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(x - 6)(x + 2)

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a^2 - b^2