Mathematics, 20.01.2021 01:00 lakinbacon4

Allan is deriving the quadratic formula, as pictured below. His work is incorrect. In which step did Allan first make an error? Step 3, 4, 5 or 6?

Allan is deriving the quadratic formula, as pictured below. His work is incorrect. In which step di

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Allan is deriving the quadratic formula, as pictured below. His work is incorrect. In which step did...

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