Question

8√+2√5-√125 complete the following activity to simplify​

Answer 1

Answer:

5 √5

Step-by-step explanation:

$8 \sqrt{5} + 2 \sqrt{5} - \sqrt{125} \\ = 8 \sqrt{5} + 2 \sqrt{5} - \sqrt{5 \times 25} \\ = 8 \sqrt{5} + 2 \sqrt{5} - 5 \sqrt{5} \\ = (8 + 2 - 5) \sqrt{5} \\ \: \: \: \: \: \: \: = 5 \sqrt{5} \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$