Solve $\sqrt { 8 x + 1 } = 4 \sqrt { x }$

Multiple Choice

Solve $\sqrt { 8 x + 1 } = 4 \sqrt { x }$ , if possible.

A) $x = \frac { 1 } { 4 }$
B) x=-8
C) $x = \frac { 1 } { 8 }$
D) x=8
E) no solution