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

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$$x^2-11x-3=0$$

What is a solution to the given equation?

A

$\frac{11+\sqrt{(-11{)}^2-4(1)(-3)}}{2(-3)}$

B

$\frac{11+\sqrt{(-11{)}^2-4(1)(-3)}}{2(1)}$

C

$\frac{3+\sqrt{(-3{)}^2-4(1)(-11)}}{2(-3)}$

D

$\frac{3+\sqrt{(-3{)}^2-4(1)(-11)}}{2(1)}$