Question

find the zeros of polynomial x²-√3x-6​

Answer 1

x²-√3-6=0

x²-2√3x+√3x-6=0. (middle term factorisation)

x(x-2√3)+√3(x-2√3)=0 (taking commons)

(x-2√3)(x+√3)=0. (taking x-2√3 common)

x-2√3=0

x=2√3

x+√3=0

x=-√3