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Factor Review

Factor Review. Algebra B. How many Terms?. Two. Factor out GCF. Difference of Squares: Both terms square separated by minus. How many Terms?. Three. First factor out GCF if there is one. Check if you can factor more Remember: Multiply to last term add to middle.

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Factor Review

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  1. Factor Review Algebra B

  2. How many Terms? • Two • Factor out GCF • Difference of Squares: Both terms square separated by minus

  3. How many Terms? • Three • First factor out GCF if there is one • Check if you can factor more • Remember: Multiply to last term add to middle. • ax2+bx+c=( + )( + )ax2-bx+c = ( - )( - )ax2 bx-c = ( + )( - ) • Use Guess and check or Split the middle term

  4. How many Terms? • Three • Guess and check

  5. How many Terms? • Three • Split the middle term • Multiply a with c (6)(-20)=-120 • Find 2 numbers that multiply to answer and add to b -15 and 8 • Now split the middle • Next factor by grouping

  6. How many Terms? • Four • Factor by grouping • Make sure the two groups are separated by a + • Factor the GCF from each group • Factor the common binomial

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