[tex](2y - 1)(3y + 2) - 6y(y - 4) < 48 \\ 6 {y}^{2} + 4y - 3y - 2 - 6 {y}^{2} + 24y < 48 \\ 25y < 48 + 2 \\ 25y < 50 \: \: | \div 25 \\ y < 2 \\ y \: \epsilon \: ( - \propto; \: 2)[/tex]
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[tex](2y - 1)(3y + 2) - 6y(y - 4) < 48 \\ 6 {y}^{2} + 4y - 3y - 2 - 6 {y}^{2} + 24y < 48 \\ 25y < 48 + 2 \\ 25y < 50 \: \: | \div 25 \\ y < 2 \\ y \: \epsilon \: ( - \propto; \: 2)[/tex]