square of a certain number decreased by 9 times the number is 36 . what is the number

Goodness. You have to start to try these, and let us critique. There is nothing like the mind working on its own.

N^2-9= what

bob, appreciate the sentiment, but if i could figure it out, i wouldn't be asking for help. this is like korean to me. i don't get it. but thanks for the thought

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