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helenawittighelena
@helenawittighelena
July 2022
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Por favor me ajudem nessa questão, se possível com calculo! Obrigada!
O valor numérico da expressão 2x² + 8, para x igual a -3 é?
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brunaortega97
2.(-3)^2+8
2.9+8
18+8=26
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2.9+8
18+8=26