Ответ:
Первое уравнение.
Объяснение:
x² - 13x + 36 = 0
x² - 4x - 9x + 36 = 0
x(x - 4) - 9(x - 4) = 0
(x - 4)(x - 9) = 0
x - 4 = 0 И x - 9 = 0
x = 4 И x = 9
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Answers & Comments
Ответ:
Первое уравнение.
Объяснение:
x² - 13x + 36 = 0
x² - 4x - 9x + 36 = 0
x(x - 4) - 9(x - 4) = 0
(x - 4)(x - 9) = 0
x - 4 = 0 И x - 9 = 0
x = 4 И x = 9