22 + 12x – 13
D = 196
х2 + 5х + 12 = 0
D - 16
6х2 +7x — 5 — 0
D = 169
22 - 8x + 12 = 0
D = - 2322 + 12x – 13
D = - 23
22 + 12x – 13
D = 196
х2 + 5х + 12 = 0
D - 16
6х2 +7x — 5 — 0
D = 169
22 - 8x + 12 = 0
D = - 2322 + 12x – 13
D = 196
х2 + 5х + 12 = 0
D - 16
6х2 +7x — 5 — 0
D = 169
22 - 8x + 12 = 0
D = - 23