Polynomials:
Chapter 5
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5.1: DEFINITION + MULTIPLYING
POLYNOMIAL
-
5.2-5.4: FACTORING
POLYNOMIALS
1) Use the FOIL method: (FIRST, OUTSIDE,
INSIDE, LAST) to find the product of
terms
2) Add your terms together! Make sure
to combine like terms
Multiplying
Polynomials
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What if you
have a binomial
multiplied by a
trinomial?
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- FOIL is only used for multiplying two
binomials
- For binomials multiplied by trinomials,
multiply each term in the binomial by
each term in the trinomial. Then,
combine like terms.
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You can also go the other way…
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TRY ON YOUR OWN
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GCF and
LCM Review
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- Find two numbers that multiply to
c and add to b
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SLIDE AND DIVIDE METHOD!
1. If there is a GCF, factor it out!
2. Find two numbers that:
• Multiply to a x c
• Add to b
3. Write the middle term as a sum of the two numbers you found,
making sure to keep the variable
4. Factor by grouping
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In the form:
Two squares separated by a
subtraction operation.
This is equivalent to:
Difference of
Square
Binomials
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You get these when you square a
binomial, for example:
Perfect
Square
Trinomials
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NOTICE THAT:
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ANY QUESTIONS?
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