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| Multiplying a polynomial by a monomial is just |
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| Multiplying a binomial by a binomial is |
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double distributing
or
F.O.I.L.ing |
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| In F.O.I.L., the F stands for |
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| In F.O.I.L., the O stands for |
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| In F.O.I.L., the I stands for |
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| In F.O.I.L., the L stands for |
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Multiplying a polynomial by a polynomial is
usually easier to do if you |
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set it up vertically
like a regular multiplication problem
x2 + 3x + 2
x - 7 |
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| If you are evaluating the product of functions, you can either: |
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| multiply and then evaluate or evaluate and then multiply |
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What do you do when you are asked to
evaluate a polynomial function
for an algebraic expression like x + 2?
For example: Find f(x + 2) if f(x) = 3x - 7 |
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Put (x + 2) where the x is in the function
f(x) = 3x - 7
3(x + 2) - 7
3x + 6 - 7
3x - 1 |
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