musfirahshakir musfirahshakir

17-10-2021
Mathematics

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(18 + 12 under root 5) (9 - 6 under root 5)

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priyodiptobasak priyodiptobasak

17-10-2021

Step-by-step explanation:

(18+12√5)(9-6√5)

18(9-6√5)+12√5(9-6√5)

162-108√5+108√5-360

162-360

-198

hope this helps you.

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