Question Number 129 by anoopsingh7374@gmail.com last updated on 25/Jan/15
$$\mathrm{3}{x}.\mathrm{6}{x}.\mathrm{7}{x}= \\ $$
Answered by rajabhay last updated on 07/Dec/14
$$\mathrm{3}{x}\centerdot\mathrm{6}{x}\centerdot\mathrm{7}{x}=\mathrm{126}{x}^{\mathrm{3}} \\ $$