The Art of FOIL

1
The Art of FOIL

• The FOIL Method is a process used in algebra to
  multiply two binomials together.

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2
What FOIL Stands for

• First multiply the first term in each set of
  parentheses
• Outside multiply the outside terms in each set
  of parentheses
• Inside multiply the inside terms in each set of
  parentheses
• Last multiply the last terms in each set of
  parentheses

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3
How to use FOIL

• Example
• Multiply (3x5)(4x2)
• First
• (3x5)(4x2)
• 12x²
• Outside
• (3x5)(4x2)
• 6x
• Inside
• (3x5)(4x2)
• 20x
• Last
• (3x5)(4x2)
• 10

Add them all together 12x²6x20x10 Always
remember to simplify! 12x²26x10
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4
Movie
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5
Question

• Use FOIL to multiply
• (6x-4)(3x5)
• A.) 18x²42x30
• B.) 18x²18x-20
• C.) 18x²30x-12x-20
• D.) 9x²10x1

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Wrong Answer

• You should review the 4 steps of FOIL and the
  example on how to use it when multiplying
  binomials together.

Review

7
Correct!

• Congratulations!
• 18x²18x-20 is the correct, simplified answer.

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Bio Page

• This was created to help students work their way
  through the FOIL method.
• Created by Renae Rowenhorst for Education 103-
  Media and Technology.
• Questions or comments rnrwnhrs_at_dordt.edu