1. Solve the equation. 4x² + 17x + 5 = 0
x = -0.32 and x = -3.93
x = 3.93 and x = 0.32
x = 0.28 and x = -4.53
x = -0.64 and x = -7.86

2. Solve the equation. 5x² + 12x + 3 = 0
x = 2.12 and x = 0.28
x = 0.23 and x = -2.63
x = -0.28 and x = -2.12
x = -0.57 and x = -4.23

3. Solve the equation. 5x² + 9x + 4 = 0
x = 1 and x = 0.8
x = 0.37 and x = -2.17
x = -0.8 and x = -1
x = -1.6 and x = -2

4. Solve the equation. 2x² + 9x + 5 = 0
x = 3.85 and x = 0.65
x = 0.5 and x = -5
x = -0.65 and x = -3.85
x = -1.3 and x = -7.7

5. Solve the equation. 5x² + 14x + 4 = 0
x = -0.65 and x = -4.95
x = 2.48 and x = 0.32
x = 0.26 and x = -3.06
x = -0.32 and x = -2.48

6. Solve the equation. 2x² + 16x + 3 = 0
x = 7.81 and x = 0.19
x = 0.18 and x = -8.18
x = -0.19 and x = -7.81
x = -0.38 and x = -15.62

7. Solve the equation. 2x² + 14x + 3 = 0
x = -0.22 and x = -6.78
x = 6.78 and x = 0.22
x = 0.21 and x = -7.21
x = -0.44 and x = -13.56

8. Solve the equation. x² + 8x + 5 = 0
x = -0.68 and x = -7.32
x = -1.37 and x = -14.63
x = 7.32 and x = 0.68
x = 0.58 and x = -8.58

9. Solve the equation. 3x² + 12x + 5 = 0
x = 3.53 and x = 0.47
x = 0.38 and x = -4.38
x = -0.47 and x = -3.53
x = -0.94 and x = -7.06

10. Solve the equation. 2x² + 14x + 5 = 0
x = -0.38 and x = -6.62
x = 6.62 and x = 0.38
x = 0.34 and x = -7.34
x = -0.76 and x = -13.24

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Correct answers: