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Nykole2002
@Nykole2002
December 2019
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Como se resolve essa conta X²-7=42?
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viniciusandrade7
X²=42+7
X²=49
X=²V49(raiz quadrada de 49)
X=7
1 votes
Thanks 1
PauloLuis
X² - 7 = 42
x² = 42 + 7
x² = 49
x = √49
x = -7
ou
x = 7
0 votes
Thanks 1
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Lista de comentários
X²=49
X=²V49(raiz quadrada de 49)
X=7
x² = 42 + 7
x² = 49
x = √49
x = -7
ou
x = 7