(n – 1) (n – 3) =… By Admin ReiPosted on December 5, 2022 (n – 1) (n – 3) =… n^2 – 3n -1n + 3 = n^2 -4n + 3 (n-1)(n-3)=n²-3n-n+3 =n²-4n+3 Smoga membantu