Question

root 8 - root 2 plz help me ​

Answer 1

Answer:

√8 can be written as 2√2. so 2√2-√2 =√2(2-1)=√2 . hope this helps.

Answer 2

Answer:

$\sqrt{8} - \sqrt{2} \\ = 2 \sqrt{2 } - \sqrt{2} \\ = \sqrt{2}$