SOLUTION: FACTOR x^2+9 And FACTOR.. 2x^3+10x^2+3x+15

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Question 430017: FACTOR
x^2+9

And FACTOR..
2x^3+10x^2+3x+15

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




cannot be factored over the reals.

The complex factors are



Sorry, one problem per post. Hint for the second one: Use the Rational Roots Theorem to determine the possible rational roots of



Then test each possible rational root using synthetic division. Go to Purple Math and look up synthetic division if you don't know how to do it. One of the possible roots will come out even giving you one factor and the synthetic division quotient will give you the other.

John

My calculator said it, I believe it, that settles it
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