hasil kuadratis 3x² + 8x + 4 = 0
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Penjelasan dengan langkah-langkah:
3x² + 8x + 4 = 0
_____________÷3
x² + 8/3x + 4/3 = 0
x² + 8/3x = -4/3
(x + 8/6)² - 64/36 = -4/3
(x + 8/6)² = -4/3 + 64/36
(x + 8/6)² = -48/36 + 64/36
(x + 8/6)² = 16/36
x + 8/6 = ±√16/36
x + 8/6 = ±4/6
x = ±4/6 - 8/6
x1 = 4/6 - 8/6 = 4/6 = 2/3
x2 = -4/6 - 8/6 = -12/6 = -2
hasil akar?
= 2/3 + (-2)
= 2/3 - 2
= 2/3 - 6/3
= -4/3
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