(x+3)² + (x-7)² = 2x²x² + 6x + 9 + x² - 14x + 49 = 2x²2x² - 8x + 58 = 2x²-8x + 58 = 0-8x = -58x = 7.25
Ответ: x = 7.25
(x+3)² + (x-7)² = 2x²
x² + 6x + 9 + x² - 14x + 49 = 2x²
2x² - 8x + 58 = 2x²
-8x + 58 = 0
-8x = -58
x = 7.25
Ответ: x = 7.25