Решите неравенство:
X+20/(x+6)-6≥0 (x²+6x+20-6x-36)/(x+6)≥0 (x²-16)/(x+6)≥0 (x-4)(x+4)/(x+6)≥0 x=4 x=-4 x=-6 _ + _ + -----------------(-6)-----------------[-4]--------------------[4]--------------------- x∈(-6;-4] U [4;∞)