SOLUTION: How do you add and subtract polynomials ?

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Question 768425: How do you add and subtract polynomials ?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How do you add and subtract polynomials ?
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I'm good at it.
Thx for asking.
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If there are common terms in them, eg, x^3, you add/subtract those.