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Math·Advanced Math·Nonlinear equations in one variable and systems of equations in two variables

hard

What is a solution to the given equation?
$4x^2-12x+4=0$

A

$\frac{3-\sqrt{5}}{2}$

B

$\frac{3-\sqrt{10}}{2}$

C

$\frac{12-\sqrt{80}}{2}$

D

$\frac{12-\sqrt{208}}{2}$