Question: long time calculation

Hi
sry guys i have a problem with my maple when i use my fsolve sometimes it gave me no solution but i khow we have a solution ill use simplify to gave it a simplified input but also no awenser is there any other command yo make my problem easier for maple and also is there anyway that i can force my cpu and memory to focus more on solving problems

and at last what is default method for fsolve ( i mean is it newton method or something else and can i change it )

tnQ for your attentions
thats my maple file problem.mw

 

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