Question

preciso dos calculos
a) $2^{3x + 2 }$ = 32

Answer 1

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$\Large\begin{array}{c|l}\sf32&\sf2\\\sf16&\sf2\\\sf8&\sf2\\\sf4&\sf2\\\sf2&\sf2\\\sf1\end{array}\implies \rm 32=2^5$

$\Large\boxed{\begin{array}{l}\sf 2^{3x+2}=32\\\sf 2^{3x+2}=2^5\\\sf 3x+2=5\\\sf 3x=5-2\\\sf 3x=3\\\sf x=\dfrac{3}{3}\\\sf x=1\\\sf s=\{1\}\end{array}}$