Find the LCM of(2+9u),(4-81u)AND (2-9u)???? HELP

still not writing 4 - 81u^2 ??

9u = 81

To find the Least Common Multiple (LCM) of the given expressions (2+9u), (4-81u), and (2-9u), we need to find the LCM of their coefficients and the common factors of their variables.

Step 1: Find the LCM of the coefficients
The coefficients are 2, 4, and 2. The LCM of these numbers is the smallest positive number that is divisible by each of the given numbers without leaving a remainder. In this case, the LCM of 2, 4, and 2 is 4.

Step 2: Find the common factors of the variables
The variables in the expressions are u. From the given expressions, we can see that u is a common factor in each of them.

Step 3: Combine the LCM of the coefficients and the common factors of the variables
The LCM of the coefficients is 4, and the common factor of the variables is u. Thus, the LCM of (2+9u), (4-81u), and (2-9u) is 4u.

Therefore, the LCM of (2+9u), (4-81u), and (2-9u) is 4u.