How do you solve this? [tex]\sqrt{3x+1} - \sqrt{x-1} = 2[/tex](adsbygoogle = window.adsbygoogle || []).push({});

I know it isn't 3x + 1 - x - 1 = 2.

This isn't homework. I just saw it somewhere else.

**Physics Forums - The Fusion of Science and Community**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# 3x + 1 - x - 1 = 2

**Physics Forums - The Fusion of Science and Community**