Ответ:
x = 2
Пошаговое объяснение:
(2x - 3) ² -3 (x -2) (x+2) = (x- 2) (x -1) + 1
4x² - 12x + 9 - 3(x² - 4) = x² - 2x - x + 2 + 1
4x² - 12x + 9 - 3x² + 12 = x² - 3x + 3
x² - 12x + 21 = x² - 3x + 3
-12x + 3x = 3 - 21
-9x = -18
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Verified answer
Ответ:
x = 2
Пошаговое объяснение:
(2x - 3) ² -3 (x -2) (x+2) = (x- 2) (x -1) + 1
4x² - 12x + 9 - 3(x² - 4) = x² - 2x - x + 2 + 1
4x² - 12x + 9 - 3x² + 12 = x² - 3x + 3
x² - 12x + 21 = x² - 3x + 3
-12x + 3x = 3 - 21
-9x = -18
x = 2