# Open to the left column 2 nd flap, and copy the following onto it.

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Open to the left column 2 nd flap, and copy the following onto it.

Go to the middle column second flap (We labeled it “Unfoil” ( )( ) at the bottom). Copy the following onto the whole thing; I typed out top flap because it was too hard to read. 1.) List out factors of “a” (if a is negative, factors are opposite signs; otherwise same sign); these are FRONTS of factors 2.) List out factors of c (if c is negative, factors are opposite signs; otherwise same sign) these are LASTS of factors 3.) Look at the value of b, pick the pair of factors that add/subtract to get b. 4.) Check by FOILing. 1.) List out factors of “a” (if a is negative, factors are opposite signs; otherwise same sign); these are FRONTS of factors 2.) List out factors of c (if c is negative, factors are opposite signs; otherwise same sign) these are LASTS of factors 3.) Look at the value of b, pick the pair of factors that add/subtract to get b. 4.) Check by FOILing.

Go to the middle column third flap (We labeled it “Perfect Square Trinomial” at the bottom). Copy the following ? 2ab ? 2 (2x)(5) 20x ? 2ab ? 2 (2x)(5) 20x

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