Respuesta :

[tex]\bf \textit{exponential form of a logarithm}\\\\ log_a b=y \implies a^y= b\qquad\qquad % exponential notation 2nd form a^y= b\implies log_a b=y \\\\ -------------------------------\\\\ log_{2x}(x^2+3x+20)=4x\implies (2x)^{4x}=x^2+3x+20[/tex]

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