Answer:
x²-6x +6
Explanation:
in general (x-root1) (x-root2) will give you the equation
for our case, the equation is given by
(x-3+√3)(x-3-√3), distribute
x²-3x-x√3 -3x+9+3√3+x√3-3√3-√9, group like terms and substitute √9 by 3
x²+(-3 -√3 -3 +√3)x +(9 +3√3 -3√3 -3), combine like terms
x²-6x +6
