Wyznacz miejsca zerowe:
Po kolei kroki
D:
5 - x > 0
-x > - 5
x < 5
|x + 3| - 2 = 0
|x + 3| = 2
x + 3 = 2 lub x + 3 = -2
x = - 1 ∈ D lub x = -5 ∈D
odp. x = -1 lub x = -5
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D:
5 - x > 0
-x > - 5
x < 5
|x + 3| - 2 = 0
|x + 3| = 2
x + 3 = 2 lub x + 3 = -2
x = - 1 ∈ D lub x = -5 ∈D
odp. x = -1 lub x = -5