Alduiinn Alduiinn

29-10-2020
Mathematics

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How many solutions does the equation x^2 = 9 have? How do you know?

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Respuesta :

29-10-2020

Answer:

I'm pretty sure it's 2

Step-by-step explanation:

x^2=9

Step 1: Take the square root.

x=±√9

x=3 or x=−3

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