
Mark M. answered 05/11/18
Tutor
5.0
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Mathematics Teacher - NCLB Highly Qualified
x2 > 4
x2 - 4 > 0
(x + 2)(x - 2) > 0
|x| > 2
Cheryl L.
asked 05/11/18Mark M. answered 05/11/18
Mathematics Teacher - NCLB Highly Qualified
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