Another invitation to brilliant: https://brilliant.org/community-problem/large-numbers-begone/?group=T580sEusk2KI please help

Question

zzr0ck3r · Answer

calculator

anonymous · Answer

tried and failed

raden · Answer

see the factors of
a^3 + b^3 = (a+b)(a^2 - ab + b^2)

so, the answer above only 123+456=579
hehe :)

zzr0ck3r · Answer

I like the long way apparently:)

anonymous · Answer

what about below

anonymous · Answer

please be right i can solve really hard problems but I can't do something as simple as this

zzr0ck3r · Answer

hmm

zzr0ck3r · Answer

type this in your calculator

(123^3+456^3)/(123^2-123*456+456^2)

anonymous · Answer

579 thank you for introducing me to wolfraam alpha

anonymous · Answer

but another solution wouldjusk be 123 + 456 added together heheheh please join