Question

Autorr va roggg frumoss

Answer 1

[tex]\displaystyle 3^{x^2+3}=3\times 3^{3x}\Leftrightarrow 3^{x^2+3}=3^{3x+1}\Leftrightarrow x^2+3=3x+1\Leftrightarrow\\ x^2-3x+2=0\\ \\ \left \{ {{x_1+x_2=3} \atop {x_1\times x_2=2}} \right. \Leftrightarrow \left \{ {{x_1=2} \atop {x_2=1}} \right. \\ \\ \\ S=\{2;1\}[/tex]

Answer 2

Rezolvarea mai jos,soluțiile sunt{1,2}