24. = -х
3 + 2х = (-х)²
3 + 2х = х²
-х² + 2х + 3 = 0
-(х² - 2х - 3 ) = 0
х² - 2х - 3 = 0
х = -1
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24. = -х
3 + 2х = (-х)²
3 + 2х = х²
-х² + 2х + 3 = 0
-(х² - 2х - 3 ) = 0
х² - 2х - 3 = 0
х = -1