Question

көбейткіштерге жіктеңіз: (5n-6)^2-n^2​

Answer 1

(5n-6-n)*(5n-6+n)=(4n-6)(6n-6)=2*6(2n-3)(n-1)=12(2n-3)(n-1)

Answer 2

${5n}^{2} - 60n + 36 - {n}^{2} = \\ 4 {n}^{2} - 60n + 36$