Question

solucao exponecial 5^x-1 - 5^x+1 = 105

Answer 1

$5 ^{x - 1} - 5 ^{x + 1} = 105 \\ \\ (1 - 5)^{2} .5^{x - 1} = 105 \\ \\ (1 - 25)^{2} .5 ^{x - 1} = 105 \\ \\ - 24.5^{x - 1} = 105 \\ \\ 24.5^{x - 1} = - 105 \\ \\ questao \: nao \: existe \: solucao$