Question

$\sqrt{20}-\sqrt{24}+ \sqrt{125}- \sqrt{54}$

Answer 1

√20 - √24 + √125 - √54

√4.5 - √4.6 + √25.5 - √9.6

2√5 - 2√6 + 5√5 - 3√6

2√5+5√5 - 2√6-3√6

7√5 - 5√6