Question

Solving quadratic equation by completing square x2-2x-444

Answer 1

(1/2 the coefficient of x)2=1

x2-2x+1-1-444=0

(x-1)2-445=0

(x-1)2=445

taking square root

x-1=+-

$\sqrt{445}$

x=1+-

$\sqrt{445}$

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