$1.87 paypal for one precal problem help

[wong05tsx 10+ year member]

Thanks for the effort, i did end up getting 110.

I stopped at the step and just noted on the side for my final answer sinec it doesn't ask to solve for x:

125 = (x^3 + x^-3) + 3(x^-1 + x) [Where (x+x^-1) = 5]

 

[tRidiot 10+ year member]

Holy SHIT am I glad I never took anything above College Algebra... and that was bad enough!

 

[elementxero 10+ year member]

calc was a pain in the *** fo sho.