Question

0,5x^2*2^x-4=8^-2 Помогите...

Answer 1

2^(-x²)*2^(x-4)=(2³)^-2
2^(-x²+x-4)=2^-6
x²-x+4-6=0
x²-x-2=0
x1+x2=1 U x1*x2=-2
x1=-1 U x2=2