rezolvati ecuatia exponentiala

f) [tex]2^{2x-1} + 2^{2x} + 3 * 2^{2x+1} = 30[/tex]


Răspuns :

[tex] 2^{2x}( \frac{1}{2} +1+6)=30 \\ 2^{2x}* \frac{15}{2} =30 \\ 2^{2x}=4 \\ 4^x=4 \\ x=1 [/tex]