| | x - 3| -5 | < 4
| x - 3| -5 < 4 ∧ | x - 3| -5 > -4
| x - 3|< 9 ∧ | x - 3| > 1
x-3<9 ∧ x-3>-9 ∧ x-3 > 1 ∨ x-3 < -1
x<12 ∧ x>-6 ∧ x>4 ∨ x<2
Rysujesz sobie wykres dla tych 4 prostych
x∈ (-6,2) u (4,12)
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| | x - 3| -5 | < 4
| x - 3| -5 < 4 ∧ | x - 3| -5 > -4
| x - 3|< 9 ∧ | x - 3| > 1
x-3<9 ∧ x-3>-9 ∧ x-3 > 1 ∨ x-3 < -1
x<12 ∧ x>-6 ∧ x>4 ∨ x<2
Rysujesz sobie wykres dla tych 4 prostych
x∈ (-6,2) u (4,12)