Question

find the LCM of 21x^2 + 105x and 3x^2 + 24x +45

Answer 1

help

Answer 2

doesn't that mean to just multiply the expressions

21x(x +5) * 3(x+3)(x+5)

= 63x(x +3)(x+5)^2

then expand and simplify

Answer 3

IDK I am having much difficulty with this LCM stuff
ty

Answer 4

I will try it.

Answer 5

the answer is 21x(x+5)(x+3) I am lost......

Answer 6

Use the same method as I showed in in your last question about LCM's: http://openstudy.com/updates/4fd28769e4b057e7d221a209

Answer 7

I dont understand it!!