Question

решите уравнение: (| х |+2)(3х-0.75) = 0.75 - 3х

Answer 1

(|x| +2)(3x-0.75)=0.75-3x 
(|x|+2)(3x-3/4)=3/4-3x
(|x|+2)= (3/4-3x)/(3x-3/4)
(|x|+2)=(4×(3-3x))/(4×(3x-3))
(|x|+2)=(12-12x)/(12x-12)
(|x|+2)=12× (1-x)/12×(x-1)
(|x|+2)=(1-x)/(x-1)