Question: what is the least common multiple of x?
Answer: (2) The least common multiple of x and 9 is 45. 6-- 2,3 ; x can be 5 - 5 , 10 - 2*5 , 15 -3*5 , 30- 2*3*5... i.e x = 5 or 10 or 30 or 15 ... for all value of x -- LCM (x,6,9) - 90. x can be 5 or 15 or 45 .... for all value of x -- LCM (x,6,9) - 90.