A Cool Polynomial System | Nice Graph!

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🤩 Hello everyone, I'm very excited to bring you a new channel (aplusbi)
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I started by factoring the cubic into (x+y)(x^2 + y^2 -xy)=37, and noting that 37 is prime. This meant that for any integer solutions, x+y could only be 1 or 37, & its quadratic multiplier could only be 37 or 1. Assuming the 1st scenario, & replacing x^2+y^2 in the quadratic with 25 left me with x+y=1 & xy=-12, leading to x=-3, y=4 and vice-versa. The 2nd scenario looked like it might be veering off into the complex plane, so I opened a beer and watched the video instead. I loved your method #2. Wish I'd thought of it.

lesnyk
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I used the second method but ignored the radical solutions. 😅

mcwulf
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2P or not 2P, that's the question!😂 Love to be an avid watcher

farhansadik
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s²+s-74=0
s=½[-1±sqrt{1-4(-74)}]
=½[-1±sqrt(297)]
not s=½[-1±sqrt(300)] at 9:09

nasrullahhusnan
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This is always the same thing... Waring formulae

GiuseppeAriano