Revision as of 04:02, 3 February 2015 by Timneh(talk | contribs)(Created page with "== Problem == If P is a polynomial that satisfies <math>P(x^2 +1) = 5x^4 +7x^2 +19</math>, then what is <math>P(x)</math>? (Hint: <math>P</math> is quadratic.) == Solution == ...")