Question

Legea de compozitie e $x*y$ =$2^{x+y}$. Sa se rezolve ecuatia $x* x^{2} =64$

Answer 1

x*x^2 =2^(x+x^2)=64=> 2^(x+x^2)=2^6 => x^2+x=6=>
=> x^2+x-6=0 =>delta=1+24=25
=>x1= ( -1+5)/2=2
    x2=(-1-5)/2=-3