Advanced Algebra

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Advanced Algebra

• Lesson 4
• Factoring

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• 3rd part of question 4.
• F
  O I L
• Two ways to factor a polynomial with a
  coefficient a, other than one.
• 1. Splitting the middle term.
• Step 1 Take the 1st and last
  coefficients and multiply them together. From
  above polynomial

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• Step 2 Next ask, what times what
  equals the new number, but when adding the
  factors together we get the middle coefficient of
  the trinomial.
• Step 3 Replace the middle term
  with the new numbers and then group the 1st two
  terms and the last two terms. This is called
  grouping the terms.

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• Step 4 Factor the grouped terms.
• Should be the same!
• Step 5 Put factors in one set of
  parentheses and put group already in parentheses
  as other factor.
• Ex. 1
• 
  Ans.

5

• 2. Factor Fish
• Step. 1 Draw fish
• Step2 Put 1st and last term on top
• of box.
• Step 3 Put middle term on tail.
• Step 4 In box put factors of 1st
• term. Do the same for the last term.
• Step 5 Multiply across in box to
• get the product.
• Step 6 Add these products up to see if
  they add up
• to what is in the tail.
• Step 7 Group diagonally to get
  factors.
• Ex. 1

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• Ex. 1
• Ex. 2
• Ex. 3

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Assignment

• W.S. Exercises 6-5
• 4-60 by 4s