Mathematics, 05.11.2020 06:00, gabbytumey

1. x² + 4x + 3 = 0 2. 6x² + 12x - 18 = 0
3. x² + 4x - 21 = 0
4. 2x² + 3x - 2 = 0
5. 3x² - 10x - 8 = 0

Answers: 3

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1. x² + 4x + 3 = 0 2. 6x² + 12x - 18 = 0
3. x² + 4x - 21 = 0
4. 2x² + 3x - 2 = 0