Question

(3х-1)^2=4-12х
Помогите пж

Answer 1

9x^2-6x+1=4-12x; 9x^2-6x+12x+1-4=0; 9x^2+6x-3=0; D=6^2-4*9*(-3)=36+108=144; x1=(-6-12)/18, x2=(-6+12)/18. x1= -1, x2=1/3. Ответ: x1= -1, x2=1/3.