Co jest zbiorem rozwiazan nierownosc x(x+5)>0 jest ..
x(x + 5) > 0
0 -5
++++ ++++= ramioan paraboli do góry
-------o----------o----------->
-5 ------- 0
odp. x ∈ (-oo, - 5) u (0, +oo)
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x(x + 5) > 0
0 -5
++++ ++++= ramioan paraboli do góry
-------o----------o----------->
-5 ------- 0
odp. x ∈ (-oo, - 5) u (0, +oo)