Please answer this question:

1.)
[tex] {3}^{n + 2} + \: ({3}^{n + 3} - \: {3}^{n + 1})[/tex]
2.)
[tex] \frac{( {25}^{ - 1} + ( {25}^{ - 2})}{( {625}^{0} + ( {25}^{ - 2} )}[/tex]
hope you can help me. thank you in advance. I'll give the brainliest. ​