Помогите (3х-5)*(0.4х-12)*(1.5х+9)=0
(3х-5)*(0,4х-12)*(1,5х+9)=0 (3х-5)*(2/5х-12)(3/2х+9)=0 1 2 3 3х-5=0 2/5х-12=0. 3/2х+9=0 х=1 2/5 х=30. х=-6 Ответ: 1 2/5;30;-6