Explicación paso a paso:
9x² -2 < 3x
9x² -3x -2 < 0 (ecuación cuadrática)
X = -(-3) +/- √(-3)²-4(9)(-2)
2(9)
X = 3 +/- √81
18
X = (3 +/- 9) / 18
X1: (3+9)/18 = 12/18
X2: (3-9)/18 = -6/18 = -1/3
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Explicación paso a paso:
9x² -2 < 3x
9x² -3x -2 < 0 (ecuación cuadrática)
X = -(-3) +/- √(-3)²-4(9)(-2)
2(9)
X = 3 +/- √81
18
X = (3 +/- 9) / 18
X1: (3+9)/18 = 12/18
X2: (3-9)/18 = -6/18 = -1/3