Question

form a quadratic polynomial whose one of the zeroes is 2-√3

Answer 1

x=2+√3
=>x-(2+√3)=0
=>[x-(2+√3)]²=0²
=>x² -2(2+√3)x+(2+√3)²=0
=>x² -(4+2√3)x+[2²+2(2)(√3)+(√3)²]=0
=>x² -(4+2√3)x+(7+4√3)=0

Hope this will help you!!!