urgenttttt!!!!
va rog ajutati-ma!!

Răspuns:
Explicație pas cu pas:
[tex]\\Delta=D\\\\\\3^{x^{2}-x}=3^{x+3}\\\ x^{2} -x = x+3\\\\x^{2} -2x-3=0\\\\\\D=4-4x1x(-3)\\\\D=16\\\\\\x1=2-4/2=-1\\\\x2=2+4/2=3[/tex]