Mathematics, 08.06.2020 21:57 cmob13

Viet solved a quadratic equation. His work is shown below. In which step did Viet make an error? Step 1,2,or 3?

Viet solved a quadratic equation. His work is shown below. In which step did Viet make an error? St

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Viet solved a quadratic equation. His work is shown below. In which step did Viet make an error? Ste...

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