x(x-8)(x-7)>0
x>0
x-8>0
x>8
x-7>0
x>7
(-oo;0) -
(0;7)+
(7;8) -
(8;+oo) +
xє(0;7)U(8;+oo)
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x(x-8)(x-7)>0
x>0
x-8>0
x>8
x-7>0
x>7
(-oo;0) -
(0;7)+
(7;8) -
(8;+oo) +
xє(0;7)U(8;+oo)