document.write( "Question 623991: Find the LCM u^3+4u^2 +4u , u^2-4u \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "u^3+4u^2 +4u = u(u^2 + 4u + 4) = u(u+2)(u+2) \n" ); document.write( "u^2-4u = u(u-4)\n" ); document.write( "LCM is u(u+2)(u+2)(u-4)