Question

Can someone help me with this problem i don't understand it.

Answer 1

\[\sqrt{8}+7\sqrt{2}-\sqrt{32}\]

Answer 2

Hints:
8 = 2³
32 = 2⁵

Answer 3

.. well this is probably wrong but i wrote \[2\sqrt{2} +7\sqrt{2}-4\sqrt{2}\]

Answer 4

It's perfectly correct :)

Answer 5

oh seriously?!?! so idk is there another step or is that the answer???

Answer 6

5..

Answer 7

Combine them by factor √2, common term:
( 2 + 7 -4 ) √2 = 5√2