Question

Como resolver a função exponencial 25^x+2=1?

Answer 1

$25^{x+2}=1\\ \\(5^2)^{x+2}=5^{0}\\ \\\not5^{2x+4}=\not5^{0}\\ \\2x+4=0\\ \\2x=-4\\ \\\boxed{x=-2}$

Another way

$\not25^{x+2}=\not25^{0}\\ \\x+2=0\\ \\\boxed{x=-2}$