Find the Difference!

Algebra Level 2

xx is a positive real number which satisfies

11x2−21x+31+11x2−21x−9=8. \sqrt {11x^2-21x+31}+\sqrt {11x^2-21x-9}=8.

What is the value of

11x2−21x+31−11x2−21x−9? \sqrt {11x^2-21x+31}-\sqrt {11x^2-21x-9} ?

Muh. Amin Widyatama by Muh. Amin Widyatama
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