Решите неравенство (х-2)(х+2)/ х-3<0
Решение (x - 2)*(x + 2) / ((x - 3) < 0 x - 2=0 x1 = 2 x + 2 = 0 x2 = - 2 x - 3 = 0 x3 = 3 - + - + ---------------------------------------------------------------------------------------------> -2 2 3 х x ∈(-≈;-2) и (2;3)