Split the middle term to Factor Trinomials. Factoring trinomials of form: look for GCF find factors of c that add up to b Factors of -8: -1 8 2 -4 1 -8.

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Presentation transcript:

Split the middle term to Factor Trinomials

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

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

Splitting the middle term Factoring trinomials of form: Steps 1.Factor out GCF if there is one. 2.Identify a b c 3.Multiply a c 4.Find factors of (a c) that add up to b 5.Split bx into two terms 6.Factor by grouping

Splitting the middle term Factoring trinomials of form: Steps 1.Factor out GCF if there is one. 2.Identify a b c 3.Multiply a c 4.Find factors of (a c) that add up to b 5.Split bx into two terms 6.Factor by grouping No GCF a=2 b=11 c=-21 a c = 2(-21)=-42 Which factors of -42 add up to 11?14 and -3 FOIL to check

Factor using splitting the middle term