a maths / caption contest if it please.

2y=(y^2)-5

solve &or caption!

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@nydel I wrote the problem on our fridge and it got solved. Likely was Kate, my son's girlfriend. She is in college to be a math teacher.

@adamd this absolutely makes my day. thank you ^_^

@adamd i fell asleep on one relevant dry erase, at morning it looked thusly (not sure why i had written 6 in japanese lol long day i suppose)

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