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(4√(3) - 12√(5) )/(2√(3)+8√(5) ) * (2√(3) - 8√(5) )/(2√(3) - 8√(5))
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(4√(3) - 12√(5) )/(2√(3)+8√(5) ) * (2√(3) - 8√(5) )/(2√(3) - 8√(5))

User Phil Miller
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4.3k points

2 Answers

2 votes

Explanation:

-18-2√15/11

User Northern
by
4.6k points
0 votes

Answer:


  • (2√(15)-18)/11

Explanation:


  • (4√(3)-12√(5))/(2√(3)+8√(5))*(2√(3)-8√(5))/(2√(3)-8√(5)) =

  • (4√(3)-12√(5))(2√(3)-8√(5))/(2√(3)+8√(5))(2√(3)-8√(5))=

  • (8*3- 32√(15) -24√(15) +96*5)/(4*3-64*5)=

  • (24+480-56√(15))/(12-320)=

  • (504 - 56√(15))/(-308) =

  • (2√(15)-18)/11
User Samazi
by
4.9k points
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