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Nancy was working with quadratic equations and needed to solve the discriminant formula, \(D=b^2-4ac\ for\ b.\) Review her work below and explain what she did wrong and what she needs to do differently in order to solve for \(b\) correctly.
\(D=b^2-4ac\)
\(D-4ac=b^2\)
\(\sqrt{D-4ac}=\sqrt{b^2}\)
\(\sqrt{D-4ac}=b\)
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