1)3x la puterea 2-6x 0 3)(x-2)la puterea 2 -4>0 4)3(2 x -5)-(2 x-5 )la puterea 2 ≤0 5)2(x+1)la puterea 2 ≤x-15 6)(x+2 )la puterea 2 +(x+2 )-1>0 .Va rog ajutati ma .