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Find the LCM r2+14r+49,r2+7rr ^ { 2 } + 14 r + 49 , r ^ { 2 } + 7 r

Question 28

Multiple Choice

Find the LCM.
- r2+14r+49,r2+7rr ^ { 2 } + 14 r + 49 , r ^ { 2 } + 7 r


A) r(r+7) r ( r + 7 )
B) (r+7) 2( r + 7 ) ^ { 2 }
C) r(r+7) 2r ( r + 7 ) ^ { 2 }
D) r(r+1) (r+7) r ( r + 1 ) ( r + 7 )

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