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Thanks!
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Firstly we can factor out the x:
Now recall the factor theorem:
If for a polynomial, P(x), P(a) = 0 then x-a is a factor.
Note: You don't need the factored out x in any of the following steps, although you do need to put it back in the end. Can you figure out why?
Now we can test values of x to find more factors .
Let's try x=1:
Now, using long division, divide
by .You should hopefully get
So the fully factored expression is
Last edited by Identity (2007-09-17 18:01:59)
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Splendid!
Thanks for pointing me in the right direction.
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