roots of quadratic

(x - (sqrt3 /2 + 1/2) ( x - (sqrt3 /2 -1/2 )        expand via distributive property and simplify

x²  - sqrt3/2 x + 1/2 x         - sqrt3 /2 x  + 3/4  - sqrt3/4       - 1/2x + sqrt3 /4  -1/4

x^2 - sqrt3 x + 1/2