Persamaan kuadrat baru yg akar-akarnya
α + 2 & β + 2 yakni
2x² – 12x + 19 = 0
Pembahasan:
2x² – 4x + 3 = 0
⇒ 2(x – 2)² – 4(x – 2) + 3 = 0
⇒ 2(x² – 4x + 4) – 4x + 8 + 3 = 0
⇒ 2x² – 8x + 8 – 4x + 11 = 0
⇒ 2x² – 12x + 19 = 0
2x² – 12x + 19 = 0