(x-4)^2-9>0
-2x^2 +4x<0
(x-4-3)(x-4+3)>0
(x-7)(x-1)>0
x e (-nieskoń, 1) v (7, +nieskoń)
2x(1-x)<0
x e (-nieskoń, 0) v (1, +nieskoń)
W załączniku.
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(x-4)^2-9>0
(x-4-3)(x-4+3)>0
(x-7)(x-1)>0
x e (-nieskoń, 1) v (7, +nieskoń)
-2x^2 +4x<0
2x(1-x)<0
x e (-nieskoń, 0) v (1, +nieskoń)
W załączniku.