Решите неравенство х^2-6х-16/-х^2+8х-12》0
X²-6x-16=0 x1+x2=6 U x1*x2=-16 x1=-2 U x2=8 -x²+8x-12=0 x²-8x+12=0 x1+x2=8 u x1*x2=12 x1=2 U x2=6 _ + _ + _ --------------[-2]---------(2)---------------(6)-----------[8]-------------- x∈[-2;2) U (6;8]