Noein
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 Apr 15 comment Conditions on roots of a quadratic I tried it with the second and can't get the $x$ and $n+3$ out... Where can I post a photo? Apr 15 comment Conditions on roots of a quadratic Can't delete prev. comments. - @JohannesK, Isn't Vieta's formula where we use a discrement to extract the roots? I tried but that didn't work. Apr 15 comment Conditions on roots of a quadratic @GerryM, I'd said it was weird from the get go... It did actually use different case letters! - It's from my curriculum book, 10th grade equiv., Egypt. Apr 15 comment Conditions on roots of a quadratic But that would make $9a^2c = 2b^2$ which isn't the answer provided. It does seem logical and correct in steps but here they look for how good you followed the book even if it's incorrect. So I just need a confirmation that there's no other way to re-produce the answer provided. - I'll follow your steps and post the second one. Apr 15 asked Conditions on roots of a quadratic Mar 23 revised Getting the grip of geometry and Algebra; books and resources for a beginner added 49 characters in body Mar 23 revised Getting the grip of geometry and Algebra; books and resources for a beginner added 49 characters in body Mar 22 awarded Student Mar 22 revised Getting the grip of geometry and Algebra; books and resources for a beginner Resource 4 added Mar 21 comment Getting the grip of geometry and Algebra; books and resources for a beginner I'm afraid I can't try all those due to my bandwidth but I'll sure look for the title you emphasized and see if I could get a link for the whole collection and download it from a cafe or something. Mar 21 revised Getting the grip of geometry and Algebra; books and resources for a beginner added 330 characters in body Mar 20 revised Getting the grip of geometry and Algebra; books and resources for a beginner added 99 characters in body Mar 20 awarded Editor Mar 20 revised Getting the grip of geometry and Algebra; books and resources for a beginner Shorter, more concise Mar 20 asked Getting the grip of geometry and Algebra; books and resources for a beginner