Question 1141071

{{{a(a^2-ax)=b(b^2-bx)}}}

{{{a^3-a^2x=b^3-b^2x}}}

{{{a^3-b^3=a^2x-b^2x}}}

{{{a^3-b^3=(a^2-b^2)x}}}

{{{x=(a^3-b^3)/(a^2-b^2)}}}......factor 

{{{x=((a - b) (a^2 + a b + b^2))/((a-b)(a+b))}}}

{{{x=(cross((a - b)) (a^2 + a b + b^2))/(cross((a-b))(a+b))}}}

{{{x=(a^2 + a b + b^2)/(a+b)}}}