# Factor Review - PowerPoint PPT Presentation

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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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## 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.

• ax2+bx+c=( + )( + )ax2-bx+c = ( - )( - )ax2 bx-c = ( + )( - )

• Use Guess and check or Split the middle term

### How many Terms?

• Three

• Guess and check

### 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

### 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