SOLUTION: Can someone please help me? My question is Find the LCM of r^2-81 and r^2+11r+18 Any and all help is greatly appreciated. Thank you

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Question 912824: Can someone please help me? My question is
Find the LCM of r^2-81 and r^2+11r+18
Any and all help is greatly appreciated.
Thank you

Answer by mananth(16946)   (Show Source): You can put this solution on YOUR website!

(r+9)(r-9)


and r^2+11r+18




The LCM is the common factors multiplied by the non common factors
The LCM is ( r+9)(r+2)(r-9)

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