meleah47 meleah47

25-10-2018
Mathematics

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Which of the following is equal to the ration expression when ..??

Which of the following is equal to the ration expression when class=

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Аноним Аноним

25-10-2018

Answer:

x - 3

Step-by-step explanation:

x^2 - 9 = (x + 3)(x - 3)

so we have (x + 3)(x - 3) / (x + 3)

= x - 3

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