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verandacoffee
on Dec 6, 2019
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A new way to make quadratic equations easy
Isn't this the same as the pq-formula?
https://www.matteboken.se/lektioner/matte-2/andragradsekvati...
(Link in Swedish).
jsjolen
on Dec 6, 2019
[–]
Yes, and apparently it's also used in Indian schools (see comments found here:
https://www.facebook.com/poshenloh
).
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