ChallengeSuperchallengeAdvanced Number Theory ShareAdvanced Number Theory · Superchallenge problemA polynomial PPP satisfies P(x2+1)=x4+5x2+3P(x^2+1)=x^4+5x^2+3P(x2+1)=x4+5x2+3 for every real number xxx. Find P(3)P(3)P(3).Check Show answer Walk through it step by step Practice more like this Review this concept