Question

How to solve for x/ extraneous solutions

Answer 1

Answer:

x = 8

Step-by-step explanation:

$\log_ab=c\iff a^c=b\\\\===================\\\\Domain:\ 8x>0\to x>0\\\\\log_4(8x)=3\iff4^3=8x\\\\8x=64\qquad\text{divide both sides by 8}\\\\x=8\in D$