Question

Simplify (√125-6)+(3-2√20)-(3+√100)

Answer 1

hope it will help you

Answer 2

$(\sqrt{125} - 6) + ( 3 - 2\sqrt{20} ) - ( 3 + \sqrt{100} )\\= ( \sqrt{5*5*5} - 6) + ( 3-2\sqrt{2*2*5} ) - ( 3+10)\\=( 5\sqrt{5} -6) + ( 3-4\sqrt{5} ) - 13\\= 5\sqrt{5} -6 +3 -4\sqrt{5} -13\\= \sqrt{5} -16$

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