Question

解方程:6(x+1)^2+2(x-1)(x^2+x+1)-2(x+1)^3=32

Answer 1

6(x+1)^2+2(x-1)(x^2+x+1)-2(x+1)^3=32

6(x^2+2x+1)+2(x^3-1)-2(x^3+3x^2+3x+1)=32

6x=34

X=17/3