Ответ:
1) x1 = -2
x2 = 0
x3 = 2
2) y1 = - 8
y2 = 0
Объяснение:
1) 12x³ - 48x = 0
12x × ( x² - 4 ) = 0
x × ( x² - 4 ) = 0
x = 0
x² - 4 = 0
x = -2
x = 2
2) y³ + 16y² + 64y = 0
y × ( y² + 16y + 64 ) = 0
y × ( y + 8 )² = 0
y = 0
y = - 8
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Ответ:
1) x1 = -2
x2 = 0
x3 = 2
2) y1 = - 8
y2 = 0
Объяснение:
1) 12x³ - 48x = 0
12x × ( x² - 4 ) = 0
x × ( x² - 4 ) = 0
x = 0
x² - 4 = 0
x = 0
x = -2
x = 2
2) y³ + 16y² + 64y = 0
y × ( y² + 16y + 64 ) = 0
y × ( y + 8 )² = 0
y = 0
y = - 8