Question

Find the number of elements in the set A, defined as A = {x : x ∈ R, x 2 – 5x + 6 = 0}

Answer 1

x^2-6x+6
=(x-2)(x+3)=0
so x=2 or x=-3

Answer 2

x^2-6×+6 =(×-2)(×+3)=0 finally x=2 or x=-3 plz mark me in brain list