Question

Find the LCM: x^2-9 and 3x-9

Answer 1

1)
3(x - 3)

2)
3(x + 3)

3)
3(x -3)(x + 3)

4)
(x - 3)(x + 3)
are the options

Answer 2

u must factor both expresions

Answer 3

x^2 - 9 = (x + 3)(x - 3)
3x - 9 = 3(x - 3)
now, can u determine the common of both ?

Answer 4

that means what

Answer 5

x-3

Answer 6

nevermind that's to get GCF not LCM :)
it is 3(x+3)(X-3)

Answer 7

remember taht The least common multiple is the smallest whole number that is divisible by each of the numbers.

Answer 8

ok