2x.x - 1.(-3) = 8.x - 1.3
2x² + 3 = 8x - 3
2x² - 8x + 6 = 0
2(x²-4x+3) = 0
x²-4x+3 = 0
(x-3)(x-1) = 0
x = 3 atau x = 1
x1.x2 = 3.1
= 3 (B)
cobain dulu orang mah jangan langsung nyerah
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2x.x - 1.(-3) = 8.x - 1.3
2x² + 3 = 8x - 3
2x² - 8x + 6 = 0
2(x²-4x+3) = 0
x²-4x+3 = 0
(x-3)(x-1) = 0
x = 3 atau x = 1
x1.x2 = 3.1
= 3 (B)
cobain dulu orang mah jangan langsung nyerah