Simplify. No spamming please and please explain how to solve it.
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Explanation:
(1) 3√(3*3*5)-√(5*5*5)+√(2*10*10)-√(2*5*5)
=3*3√5 -5√5 + 10√2
=9√5 -5√5 +10√2
=4√5 +10√2
2) 2√(30/6) - 3√(140/28) +√55/99
=2√5 -3√5 +√(5/9)
=-√5+√5 /3
=(-3√5+√5)/3
=-2/3√5
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