Question

Simplifique (5^x+3 - 5^x-1) / 5^x-2.

Answer 1

$\frac{5^x+3-5^{x-1}}{5^{x-2}} \\ \\ \frac{5^{x-2}.5^{x-1}+3-5^{x-1}}{5^{x-2}} \\ \\ 5^{x-1}-5^{x-1}+3 \\ S=[3]$

pra ajudar a entender:
$\frac{ 5^{3} +3-5^2}{5^1} \\ \frac{5^1.5^2+3-5^2}{5^1} \\ 5^2-5^2+3 \\ 3$