Question: Derek thinks 5 is a possible zero of the function p(x)=25x^4-226x^2 9, but John does not agree. John does think, however, that 3 is a

Derek thinks 5 is a possible zero of the function p(x)=25x^4-226x^2 9, but John does not agree. John does think, however, that 3 is a possible zero of p(x). Only one of these students is correct. Which student is correct and why

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