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# Quick Maths Question watch

1. 3^x = 9^(x+1)

Solve for x.

I found the answer to be -2 by trial and error.
But what is the actual mathematical method?
2. (Original post by Rickstahhh)
3^x = 9^(x+1)

Solve for x.

I found the answer to be -2 by trial and error.
But what is the actual mathematical method?
If I told you that 9 is 3 squared, would that help?

(Hint: Yes. Yes it would.)
3. (Original post by SH0405)
If I told you that 9 is 3 squared, would that help?

(Hint: Yes. Yes it would.)
Thank you!

It all makes sense now
4. (Original post by Rickstahhh)
Thank you!

It all makes sense now
Good good.

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