Question

2) 3x2 - 8x +11 < 0;
4) - 2x2 - 9x + 11 < 0;
6) x2 - 7x + 6 > 0;
8) - 7x2 + 12x + 4 > 0;
V
10) (x + 1*- < 0;
+
+
решите неравенства​