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9.6 Factoring Trinomials with leading Coeficient

9.6 Factoring Trinomials with leading Coeficient. In this section, we will… Factor out the GCF (Greatest Common Factor) Factor Trinomials of the Form Factor Trinomials of the Form. Examples: Factor out the GCF (greatest common factor). factor the polynomial

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9.6 Factoring Trinomials with leading Coeficient

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  1. 9.6 Factoring Trinomials with leading Coeficient • In this section, we will… • Factor out the GCF (Greatest Common Factor) • Factor Trinomials of the Form • Factor Trinomials of the Form

  2. Examples: Factor out the GCF (greatest common factor).

  3. factor the polynomial Factoring Trinomials with a leading coefficient of 1: • Write the trinomial in descending order (for the first variable alphabetically) • Write the factorizations of the third term of the trinomial • Pick the factorization where the sum of the factors is equal to the coefficient of the middle term. sum product We are, in essence, un-FOIL-ing 2

  4. Examples: Factor each trinomial. Factoring Polynomials: Factor Trinomials of the Form x + bx+ c 2

  5. Factoring Trinomials with a leading coefficient other than 1 Guess-and-Check Method • Write the trinomial in descending order • Write the factorizations that you know • Systematically guess-and-check factorization possibilities where the sum of the factors is equal to the coefficient of the middle term. (Be sure to check!) Factoring Polynomials: Factor Trinomials of the Formax + bx+ c 2

  6. Examples: Factor each trinomial. If a trinomial has the form with integer coefficients and . we can test to see whether it is factorable: If the value of is a perfect square (e.g. 0, 1, 4, 9, 16,…) then the trinomial can be factored using integers. Factoring Polynomials: Factor Trinomials 2bx

  7. Examples: Factor the polynomial completely. Factoring Polynomials

  8. Independent Practice You learn math by doing math. The best way to learn math is to practice, practice, practice. The assigned homework examples provide you with an opportunity to practice. Be sure to complete every assigned problem (or more if you need additional practice). Check your answers to the odd-numbered problems in the back of the text to see whether you have correctly solved each problem; rework all problems that are incorrect. Homework: See website Pretend you’re starring in a reality show about a kid who can make his dreams come true if he works hard and gets good grades. Factoring Polynomials

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