
Tewyn
6 год назад
4²/x²+5x-3/x²-5x = 7/x
ОТВЕТЫ

Murphy Douglas
Oct 10, 2020
3x²- 4x + 7 = x² - 5x + (-1 + 2x²)
3x² - 4x + 7 = x² - 5x - 1 + 2x²
3x² - 4x + 7 = 3x² - 5x - 1
-4x + 7 = -5x - 1
5x - 4x = -1 - 7
x = -8
732


3x²- 4x + 7 = x² - 5x + (-1 + 2x²)
3x² - 4x + 7 = x² - 5x - 1 + 2x²
3x² - 4x + 7 = 3x² - 5x - 1
-4x + 7 = -5x - 1
5x - 4x = -1 - 7
x = -8