5 в степени x2-5x-6 = 1

Question

5 в степени x2-5x-6 = 1

Answer 1

5^(x^(2)-5x-6)=5^0
x^(2)-5x-6=0
D=5^(2)-4*(-6)=25+24=49
x1=(5+7)/2=12/2=6
x2=(5-7)/2=-2/2=-1