1. Explain in your own words how to select the number which is added to both sides of a quadratic equation in the ╥completing the square╙ method.
2. Use the ╥completing the square╙ method on the quadratic equation ╥x-squared plus bx plus c equals 0.╙ What are the solutions in terms of b and c?
3. Use the ╥completing the square╙ method on the quadratic equation ╥a times x-squared plus bx plus c equals 0.╙ What are the solutions in terms of a, b and c?