х-4/х = 2х+10/х+4
х≠0 ;х≠-4
х€(-∞;-4)U(-4;0)U(0;+∞)
(x-4)(x+4)=(2x+10)*x
x²-16=2x²+10x
x²+10x+16=0
D=100-64=36
x1=(-10+6):2=2
x2=(-10-6):2=-8
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х-4/х = 2х+10/х+4
х≠0 ;х≠-4
х€(-∞;-4)U(-4;0)U(0;+∞)
(x-4)(x+4)=(2x+10)*x
x²-16=2x²+10x
x²+10x+16=0
D=100-64=36
x1=(-10+6):2=2
x2=(-10-6):2=-8