(root9+3) (root9 + root27)+2root
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Step-by-step explanation:
(root9+3) (root9 + root 27) + 2root2
(3+3) (3+3root3) + 2 root 2
6 (3+3root3) +2 root 2
18 + 18root3 + 2 root 2
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