Penjelasan dengan langkah-langkah:
3x² + 12x - 36 = 0
x² + 4x - 12 = 0
x² + 4x = 12
x² + 4x + 4 = 12 + 4
(x + 2)² = 16
x + 2 = ±√16
x = ±4 - 2
x = -4 - 2 atau x = 4 - 2
x = -6 atau x = 2
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Penjelasan dengan langkah-langkah:
3x² + 12x - 36 = 0
x² + 4x - 12 = 0
x² + 4x = 12
x² + 4x + 4 = 12 + 4
(x + 2)² = 16
x + 2 = ±√16
x = ±4 - 2
x = -4 - 2 atau x = 4 - 2
x = -6 atau x = 2