КЗ Кристина Закоян (1/2)^(2х) -6(1/2)^х-16=0 (1/2)^х=t t^2-6t-16=0 D=36+64=100 t=(6+-10)/2=8 и -2 (1/2)^х=8 (1/2)^х=-2 х=-3 х=-2