Question

Simplify-
$2 \sqrt{45} + 3 \sqrt{20} + 10 \sqrt{125} \div 2 \sqrt{5}$
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Answer 1

Step-by-step explanation:

$2 \sqrt{45} + 3 \sqrt{20} + 10 \sqrt{125} \div 2 \sqrt{5} \\ = 2 \times 3 \sqrt{5} + 3 \times 2 \sqrt{5} + \frac{10 \times 5 \sqrt{5} }{2 \sqrt{5} } \\ = 12 \sqrt{5} + 25$