Question

Решите уравнение: 5-х²=1-x(x+8)

Answer 1

5 - х² = 1 - x(x + 8)
5 - x² = 1 - x² - 8x
8x = 1 - 5
8x = - 4
x = - 4/8
x = - 0,5
Ответ: x = - 0,5

Answer 2

5 - x^2 = 1 - x^2 - 8x
5 = 1 - 8x
8x = - 4
x = - 4/8
x = - 0,5