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  • 24-06-2021
  • Mathematics
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If 9 : x = x:4, then x =

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Аноним Аноним
  • 24-06-2021

Answer:

x = ±6

Step-by-step explanation:

9 : x = x : 4

Cross multiply

36 = x²

Take the square root of both sidesw

x = ±6

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