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Hi. This isn't for any sort of homework. I've run into a deadend where I have a situation like this where I need to solve for "a":

a(a+b+c) =d

You'd think it would be easy but I can't seem to get "a" by itself. It always end up on both sides of the equation at best which is starting to make me think it's somehow recursive. I know how to solve it if it didn't have the "c" by using the quadratic equation but not sure in this situation.

Thanks so much!

a(a+b+c) =d

You'd think it would be easy but I can't seem to get "a" by itself. It always end up on both sides of the equation at best which is starting to make me think it's somehow recursive. I know how to solve it if it didn't have the "c" by using the quadratic equation but not sure in this situation.

Thanks so much!

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