Fill in the blanks to make a true statement.
The roots of ___x^2 + ___x + ___ are ___ and ___.
Expanding (x + ___)(x + ___), we get x^2 + ___ x + ___.
Completing the square on x^2 + ___x + ___, we get (x - ___)^2 + ___.
By difference of squares, ___ is equal to ___ times ____.
By difference of cubes, ___ is equal to ___ times ____.