kylauren08 kylauren08
  • 27-08-2017
  • Mathematics
contestada

X^2-16=? Khan avademy

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SmallPiwi
SmallPiwi SmallPiwi
  • 27-08-2017
depends on what the X is
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mattbosco44 mattbosco44
  • 27-08-2017
x^2-16=0
x^2=16
square root of x^2 = x 
square root of 16=4 
x=4
Answer Link

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