Question

(3abc^2)^2*(2ac)^2*b//-abc

Answer 1

9a^2    b^2   c^4   * 8a^2 c^2   * b          72 a^4  b^3  c^6           

----------------------------------------------=   ------------------------ = - 72 a^3  b^2  c^5

-abc                                                                     -abc