Question

Alguém sabe fazer me ajudem

Answer 1

Explicação passo-a-passo:

$A)\\4^{x}= 4^{2}\\x=2\\\\B)\\3^{-2x}=3^{\frac{3}{2}}\\-2x=\frac{3}{2}\\x=\frac{-3}{4}\\\\C)\\(\frac{5}{3})^{x}=(\frac{5}{3})^{3}\\x=3\\\\D)\\17^{x^{2}-4x}=17^{0}\\x^{2}-4x=0\\x'=0\\x"=4$