Exercise on completing the square 2

1: --[reporting2] Doing 'do snippet' - should be imbed--

Solve this quadratic equation by completing the square:
x2 - 3x + 1 = 0

2: --[reporting2] Doing 'do snippet' - should be imbed--

Solve this quadratic equation by completing the square:
x2 - 7x + 6 = 0

3: --[reporting2] Doing 'do snippet' - should be imbed--

Solve this quadratic equation by completing the square:
x2 + (√7)x + 0.75 = 0

4: --[reporting2] Doing 'do snippet' - should be imbed--

Solve this quadratic equation by completing the square:
2x2 + 5x + 2 = 0