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Batata
– 2(x + 1)(2 – x) = 0
A forma reduzida dessa equação é a) – 2(2x – x² + 2 – x) = 0 b) – 2x² + 2 = 0 c) 4x² – 2x + 2 = 0 d) 2x² – 2x – 4 = 0
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