Non-topic.

[lvl107]

Hello,

My question is :

Thanks in advance for your help.

Best Regards.

[Werner_E]

???

Use "simplify" from the symbolic toolbox!

If you expected 0 you should have put parantheses around the last term (2*sqrt(2))

[lvl107]

Hello,

The similar question:

Thanks in advance for your help.

Best Regards.

[Werner_E · Accepted solution]

[lvl107]

Many thanks, Werner.

Best Regards.