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Factoring Review. 1. Review. 2. Tying it All Together. 3. Shortcut for the Shortcuts. Greatest Common Factor (GCF). Look for the largest common number and/or variables in each term Divide each term by the common terms. Rainbow Method (2 nd degree Polynomial). Difference of 2 Squares.
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Factoring Review 1 Review 2 Tying it All Together 3 Shortcut for the Shortcuts
Greatest Common Factor (GCF) • Look for the largest common number and/or variables in each term • Divide each term by the common terms
Difference of 2 Squares Steps • Verify the 2 terms are perfect squares • Write in the form of: • Use the Formula • Remember there is no formula for the sum of 2 squares!
Example • Factor
Example • Factor
Difference of 2 Squares and GCF • Factor
Example • Factor
Example • Factor
Special Rules • Difference of Squares • Perfect Square Trinomials
Special Rules • Which formula do you use to factor: Nothing! Difference, Not Sum +, Not -
Tying It All Together GCF Common Terms? No 2 Terms or 3 Terms? Yes 3 2 Perfect Square? Both Terms Perfect Squares? + or - ? - No Rainbow Method Yes Yes No + Difference of Squares Perfect Square Trinomial Rule Factored!
Shortcut to the Shortcut • Perfect Square Trinomial Check (Middle Term)