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Split the middle term to Factor Trinomials

Split the middle term to Factor Trinomials. Factoring trinomials of form: look for GCF find factors of c that add up to b. No GCF. Factors of -8: -1 8 2 -4 1 -8 -2 4. (x + 2)(x – 4).

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Split the middle term to Factor Trinomials

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  1. Split the middle term toFactor Trinomials

  2. Factoring trinomials of form: look for GCF find factors of c that add up to b No GCF Factors of -8: -1 8 2 -4 1 -8 -2 4 (x + 2)(x – 4) Which factors add up to -2? 2 and -4 FOIL to check

  3. GCF? 4x Factor trinomial in ( ) Factors of -15 that add up to -2?

  4. Factoring trinomials of form: Splitting the middle term Steps Factor out GCF if there is one. Identify abc Multiply ac Find factors of (ac) that add up to b Split bx into two terms Factor by grouping

  5. FOIL to check Factoring trinomials of form: Splitting the middle term Steps Factor out GCF if there is one. Identify abc Multiply ac Find factors of (ac) that add up to b Split bx into two terms Factor by grouping No GCF a=2b=11c=-21 ac = 2(-21)=-42 Which factors of -42 add up to 11? 14 and -3

  6. Factor using splitting the middle term

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