Question

Решить уравнение
1/4^2+3х=8^х-1

Answer 1

2+3х(х+1)=8
2+3х*х+3х=8
3х*х+3х-6=0
Д=9+6*4*3=9+72=81=9*9
х= -3+-9/6
х=-2
х=1/2