SOLUTION: How do you solve this quadratic equation? x^2 − 16 = 0

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Question 632250: How do you solve this quadratic equation?
x^2 − 16 = 0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Here are two ways:
1)
x^2=16
x=+-4
x=-4
x=4
x^2=16
2)
factor
(x+4)*(x-4)=0
x+4=0
x=-4
x-4=0
x=4