Tolong kerjakan nomor 36

3x² – 4x + 2 = 0
α+β = -b/a = -(-4)/3 = 4/3
α.β = c/a = 2/3

(α + β)² – 2αβ = (4/3)² – 2 (2/3)
                    = 16/9 – 4/3
                    = 16/9 – 12/9
                    = 4/9

semoga membantu ya 🙂