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|2x - 3 - 4x + 2| < 3
|-4x - 1| < 3
(-4x - 1)² < 3²
16x² + 8x + 1 < 9
16x² + 8x - 8 < 0 (bagi 8)
2x² + x - 1 = 0
(2x - 1)(x + 1) = 0
2x - 1 = 0 atau x+1=0
x = 1/2 x = -1
HP: { -1 < x < 1/2 }