Question

simplify √45 -3√20 +4√5 with steps

Answer 1

Answer:

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Answer 2

Answer:

$\sqrt{5}$

Step-by-step explanation:

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

$\sqrt{5} (\sqrt{9}-3\sqrt{4}+4\\\sqrt{5} (3-6+4)\\\sqrt{5}(1)\\\sqrt{5}$