Find all integer values of $x$ for which the value of the expression \[x^2+6x+33\]is a perfect square.
Problem
Source: Cyprus 2022 Junior TST-1 Problem 1
Tags: Perfect Square, number theory
21.02.2022 14:57
$(x+3)^2+24 =m^2$ $(m-x-3)(m+x+3) = 24$ $x = (-8,-4,-2,2)$
21.02.2022 15:02
StarLex1, the question asks for all integer solutions. You missed the negative solutions. (Of course your method also yields those as well.)
21.02.2022 15:02
Demetres wrote: Find all integer values of $x$ for which the value of the expression \[x^2+6x+33\]is a perfect square. Too easy for HSO Should be in HSM
21.02.2022 15:03
StarLex1 you posted while I was solving LOL
21.02.2022 15:04
wardtnt1234 wrote: Demetres wrote: Find all integer values of $x$ for which the value of the expression \[x^2+6x+33\]is a perfect square. Too easy for HSO Should be in HSM Yeah this is too easy. Knowledge of completing the square and finding roots fo quadratic is sufficient for finding the answer for this