posted by Ashli .
The lcm for...
Answer 9t^2 or (3t+1)(-3t+1)
I'm not sure which answer I have is right, could you help me please.
I think the middle one is a typo
You mean (1 - 9t^2)
which is in fact (1-3t)(1+3t)
so indeed the least common multiple is
(1-9 t^2) or (1-3t)(1+3t)