Solve the following quadratic equations by completing the square.

x² – (√3 + 1) x + √3 = 0

Solve the following quadratic equations by completing the square.

2x² + 5x –3 = 0

Solve the following quadratic equations by completing the square.

4x² + 4bx – (a² – b²) = 0

Solve the following quadratic equations by completing the square.

=3x + 2

Solve the following quadratic equations using quadratic formula.

x²7x + 12= 0