(5x-3)² = (5x+13)²25x² - 30x + 9 = 25x² + 130x + 16925x² - 25x² - 30x - 130x = 169 - 9-160x = 160x = -1
Ответ: x = -1
(5x-3)² = (5x+13)²
25x² - 30x + 9 = 25x² + 130x + 169
25x² - 25x² - 30x - 130x = 169 - 9
-160x = 160
x = -1
Ответ: x = -1