Find the LCM of the given expressions.
`16m, -12m^(2)n^(2), 8n^(2)`

Find the LCM of the given expressions. -9a^(3)b^(2), 12a^(2)b^(2)c

Find the L.C.M. of the given expressions 2p^2 – 3p - 2, p^2 – 9 .

5m -n = 3m+4n then find the value of the expressions: (m^2+n^2)/(m^2-n^2)

Let's find the L.C.M of the following algebraic expressions. 3a^2 - 5ab - 12b^2, a^5 - 27a^2 b^3, 9a^2 + 24ab + 16b^2

Solve the followings : The value of the expression (4^n xx 20^(m - 1) xx 12^(m-n) xx 15^(m+n-2))/(16^m xx 5^(2m + n) xx 9^(m-1)) is