A Nice Functional Equation [f(x+y)=f(x)+f(y)+2xy]
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A Quick and Easy Polynomial System
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A Fun Polynomial Equation
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A fun functional equation!!
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Solving the Functional Equation f(x+y)=f(x)f(y)
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Solving a Suggested Functional Equation
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Solving Jensen's Functional Equation
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A Functional Equation from British Math Olympiads 2009
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