Question

find the quadratic equation if one of the root is 2 minus root 5

Answer 1

X= 2-√5

X-2= -√5

(squaring both sides )

X^2-4X+4= 5

X^2-4X-1=0

so
Quadratic equation is
${x}^{2} - 4x - 1 = 0$

other root is (2+√5)



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Answer 2

hope this helps you