\[ b^2 - 4ac = (-12)^2 - 4 \times 3 \times 9 = 144 - 108 = 36 \] - AMAZONAWS 📅 March 6, 2026 👤 scraface Mar 06, 2026
![\[ b^2 - 4ac = (-12)^2 - 4 \times 3 \times 9 = 144 - 108 = 36 \]](https://soloferat.biz.id/images/-b2---4ac---122---4-times-3-times-9--144---108--36-.jpg)
