| x^2 + 7x - 4 | = 4 x^2 - 4|x| - 21 = 0x^2 + 4 корень x^2 - 12 = 0||x^2 - 6x + 4| - 3| =...

Question

| x^2 + 7x - 4 | = 4

x^2 - 4|x| - 21 = 0

x^2 + 4 корень x^2 - 12 = 0

||x^2 - 6x + 4| - 3| = 1

Решите уравнения

Answer 1

В хуменогео49,88,77,55