Tìm x, biết: [x + 1]^2.[x + 2] = 0

[x+1]^2.[x+2]=0
[1/2x+1]^3.[3x-2]^2=0
[9x+6]^3.[3x-4]^2.[1-7x]=0
[4x-8]^2.[2x+6]^3=0
[5/4x-15/16].[5x+1]^2=0