Log2 28 != log2 (3+x2)

Question

Log2 28 != log2 (3+x2)

Answer 1

28 = 3 + x^2
x^2 + 3 - 28 = 0 
x^2 - 25 = 0 
x^2 = 25
x = ± √25
x = ± 5

Ответ
- 5; 5