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Jessicabruna76
@Jessicabruna76
April 2020
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Sabendo que 32 elevado a x+2 = 16 elevado a x+1 , como calcular o valor de x ao quadrado ?
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Niiya
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11 votes
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32^(x + 2) = 16^(x + 1)
(2)^5*(x + 2) = (2)^4*(x + 1)
5*(x + 2) = 4*(x + 1)
5x + 10 = 4x + 4
5x - 4x = 4 - 10
x = - 6
portanto: x^2 = ?
(-6)^2 = 36
resposta: 36
5 votes
Thanks 10
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Verified answer
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Verified answer
32^(x + 2) = 16^(x + 1)(2)^5*(x + 2) = (2)^4*(x + 1)
5*(x + 2) = 4*(x + 1)
5x + 10 = 4x + 4
5x - 4x = 4 - 10
x = - 6
portanto: x^2 = ?
(-6)^2 = 36
resposta: 36