x2-4|x|-6=0怎么解呀

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x2-4|x|-6=0怎么解呀x2-4|x|-6=0怎么解呀x2-4|x|-6=0怎么解呀x2-4|x|-6=0(1)当x>=0x^2-4x-6=0x^2-4x+4=10(x-2)^2=10x=2±√

x2-4|x|-6=0怎么解呀
x2-4|x|-6=0怎么解呀

x2-4|x|-6=0怎么解呀
x2-4|x|-6=0
(1)当x>=0
x^2-4x-6=0
x^2-4x+4=10
(x-2)^2=10
x=2±√10
则有x=2+√10
(2)当x