# Math Help - [SOLVED] Find the value of Z (Surds)

1. ## [SOLVED] Find the value of Z (Surds)

Question:
Find the value of Z , $Z\sqrt32 - 16 = Z\sqrt8 - 4$

Attempt:
$Z\sqrt32 - 16 = Z\sqrt8 - 4$
$Z\sqrt 32 - Z\sqrt8 = 16 - 4$
$4Z\sqrt2 - 2Z\sqrt2 = 12$
$2Z\sqrt2 = 12$

What to do next?

2. $Z=\frac {12}{2 \sqrt{2}}$
Reduce.