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podryga [215]
3 years ago
10

Which expressions are equivalent to 9x^4-4x^2

Mathematics
1 answer:
Dahasolnce [82]3 years ago
7 0
9x⁴ - 4x² = x²(9x²-4) = x²(3x-2)(3x+2)
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Sliva [168]

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El porcentaje de descuento fue del 10%.

Step-by-step explanation:

Para encontrar el porcentaje de descuento, puedes calcular la variación entre los dos precios ya que este será el porcentaje aplicado. Para hacerlo debes calcular la diferencia entre los dos precios restando el precio final menos el precio original y luego, debes dividir este resultado entre el precio original y multiplicar por 100:

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6 0
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