In triangle ABC let the angle bisectors be BY and CZ. Given AB=8, AY=6, and CY=3, find BC.

Nevermind, I solved it.  But I need help with

 

https://web2.0calc.com/questions/in-triangle-abc-let-the-angle-bisectors-be-by-and-cz

https://web2.0calc.com/questions/in-triangle-abc-let-the-angle-bisectors-be-by-and-cz_1