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OpenStudy (angela210793):
x^2 - 2lxl -3 > 0 a bit help :/
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OpenStudy (anonymous):
@ganeshie8 @hartnn @Luigi0210
OpenStudy (yolo_king):
\[x^2-2lxl-3>0\] IS this how its written?
hartnn (hartnn):
my first thought is to write \(x^2 = |x|^2 \) then plug |x| = y and solve normally.
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