Question

$\sqrt{45 - 3 \sqrt{20 + 4 \sqrt{5} } }$
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Answer 1

Answer:

5√5

Step-by-step explanation:

√45 - 3√20 + 4√5

= 3√5 - 2√5 + 4√5

= 7√5 - 2√5

= 5√5 answer

I hope it is useful for you.