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Leyah Leyah
  • 14-10-2014
  • Mathematics
Answered

Simplify 4 radical 20- 3 radical 45

Verified Answer :

mariamikayla
mariamikayla mariamikayla
  • 14-10-2014

\(4\sqrt{20}-3\sqrt{45}= 4*2\sqrt{5}-3*3\sqrt{5}= \\\\ =8\sqrt{5}-9\sqrt{5}= \\\\ =\boxed{-\sqrt{5}}\)

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