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Solve 4x^2-16x-84 by factoring, completing the square and, by quadratic formula(show work)
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Solve 4x^2-16x-84 by factoring, completing the square and, by quadratic formula(show work)

User Vadim Kalinsky
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The answer is in the picture
Solve 4x^2-16x-84 by factoring, completing the square and, by quadratic formula(show-example-1
User Bjarte Brandt
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