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Published byEmerald Jennings Modified over 6 years ago

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Factoring Polynomials

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1.Check for GCF 2.Find the GCF of all terms 3.Divide each term by GCF 4.The GCF out front 5.Remainder in parentheses Greatest Common Factor

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Factor each polynomial completely.

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Both terms are perfect squares The operation is subtraction The terms in each binomial are the square root of the terms in the problem One binomial is addition and one binomial is subtraction Difference of 2 Squares a² – b² = (a + b)(a – b)

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Factor each polynomial completely.

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Sum / Difference 2 Cubes a³ – b³ = (a – b)(a² + ab + b²) a³ + b³ = (a + b)(a² – ab + b²) Both terms are perfect cubes Operation may be addition or subtraction The terms are a binomial and a trinomial Rule: Cube root of each term Rule: Square / Opposite Product / Square

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Factor each polynomial completely.

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1 st and 3 rd terms are perfect squares The middle term is twice the product of the square roots of the perfect square terms Perfect Square Trinomials a² + 2ab + b² = (a + b) ² a² – 2ab + b² = (a – b) ²

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The terms in the binomial are the square roots of the perfect square terms in the problem The operation is the same as the middle term Perfect Square Trinomials

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Factor each polynomial completely.

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Quadratic Trinomials Guess and Check Method Product Method Best Method

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1.Multiply the leading coefficient and the constant term 2. Determine the factors of this product that add up to the coefficient of the middle term 3. Split the middle term and factor by grouping 4. Find the GCF of each binomial 5. Write the product of your factors Product Method

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1.Multiply the leading coefficient and the constant term 2. Determine the factors of this product that add up to the coefficient of the middle term 3. Form 2 binomials using the first term in each binomial and the 2 factors in second term in each binomial 4. Divide each binomial by the GCF 5. Write the product of your factors Best Method

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Factor each polynomial completely.

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4 Term Polynomials 1.Look for a perfect square trinomial 2.Group and factor the perfect square trinomial 3.Look for a difference of two squares 4.Factor the difference of two squares 5.Simplify

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Factor each polynomial completely.

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1.Grouping can be used with 4 terms 2.Group terms with a common factor 3.Find the GCF of each binomial 4.Factor out the common term 5.Write polynomial in factored form Factor by Grouping

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Factor each polynomial completely.

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