Y=1/3x^3-1/2x^2=6x-1 решите плез

Question

Y=1/3x^3-1/2x^2=6x-1 решите плез

Answer 1

(3,1x + 3,1) - (1,8x + 1,8) = 1,6x + 1,6 
3,1x+3,1-1,8x-1,8=1,6x+1,6
1,3x+1,3=1,6x+1,6
1,3x-1,6x=1,6-1,3
-0,3x=0,3
x=0,3:(-0,3)
x=-1