Fan, Medal & Testimony

Sheet here:
https://docs.google.com/document/d/1QNKA7iswRFY5fTpZogqwQz2vnHR3Gx10y-dSZJgDfe4/edit?usp=sharing

I have the answer, I just need the explanations.

Question

Fan, Medal & Testimony

Sheet here:
https://docs.google.com/document/d/1QNKA7iswRFY5fTpZogqwQz2vnHR3Gx10y-dSZJgDfe4/edit?usp=sharing

I have the answer, I just need the explanations.

hothotleg · Answer

@RhondaSommer 
If you can .3.

rhondasommer · Answer

umm...this would take me forever to explain. try using symbolab.com and it is explained to you

denonakavro · Answer

-3sqrt26-3sqrt13+10sqrt26-3sqrt13 
First you just need to group the like terms and solve
-3sqrt26 and +10sqrt26 
10-3 will equal +7 so
7sqrt26
Now for group 2
-3sqrt13 and -3sqrt13
-3-3 will equal -6 so
-6sqrt13
Now combine
7sqrt26-6sqrt13

hothotleg · Answer

aaaaaa!! Thank you so much, Denon and Rhonda!

denonakavro · Answer

Tell me if you need any explanation of the other questions

hothotleg · Answer

Ah, no problem I will! I'm going to try Rhonda's advice!