Question

Anyone know this? thank you

Answer 1

`8\sqrt[4]{8}`

Explanation:

To solve this, we need to first factorize the 128 and find a power of 4 in there. 128 = 2^7, or 2^4 * 2^3, so when we take the 4th root, we will get
`2\sqrt[4]{8}`. Multiply this by 4 to get
`8\sqrt[4]{8}. \blacksquare`