SubArea: Higher Degree Equations and InequalitiesLevel: AProject ID: 2000003803Accepted: 0Clonable: 0Easy: 1Assuming \(x\in \mathbb{R}\), find the solution set of the following equation. \[ (x^2+1)(x^2-4)=0 \]\( \{-2,2\}\)\( \{-2,-1,1,2\}\)\( \{-2,-1,2\}\)\( \{-1,2\}\)
