- #1

- 13

- 0

I mean I know that it is the solution cause if I substitute zero I'll get an equality but how can I find it?

- Thread starter Mppl
- Start date

- #1

- 13

- 0

I mean I know that it is the solution cause if I substitute zero I'll get an equality but how can I find it?

- #2

- 80

- 0

[tex]x3^{2x+1}=9x[/tex]?

If so, [tex]x3^{2x+1}=9x\Leftrightarrow x(3^{2x+1}-9)=0\Leftrightarrow x=0\text{ or } 3^{2x+1}=3^2\Leftrightarrow 2x+1=2\Leftrightarrow x=\frac{1}{2}[/tex]

- #3

- 13

- 0

Thank you very much

- #4

- 80

- 0

Just happy to help

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