Question

Como resolver 5^x²+2x=1?

Answer 1

$5^{x^2+2x}=1\\ \\\not5^{x^2+2x}=\not5^{0}\\ \\x^2+2x=0\\ \\x(x+2)=0\\ \\x'=0\\ \\x''=-2\\ \\\boxed{S=\{-2,0\}}$