Question

5^х^2+6х+8=1 Показательные уравнения и неравенства

Answer 1

5^(x^2 + 6x + 8) = 1
5^(x^2 + 6x + 8) = 5^0
x^2 + 6x + 8 = 0 
D = 36 - 32 = 4 = 2^2
x₁ = ( - 6 + 2)/2 = - 4/2 = - 2;
x₂ = ( - 6 - 2)/2 = - 8/2 = - 4;

Ответ:
- 4; - 2