rozwiaż rownanie stosuja wzory skroconego mnozenia
4(x² - 6x + 9) - 7 > 4x² + 4x + 1
4x² - 24x + 36 - 7 > 4x² + 4x + 1
-24x + 29 > 4x + 1
-24x - 4x > 1 - 29
-28x > - 28 / : (-28)
x < 1
x ∈ (-oo, 1)
załacznik
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4(x² - 6x + 9) - 7 > 4x² + 4x + 1
4x² - 24x + 36 - 7 > 4x² + 4x + 1
-24x + 29 > 4x + 1
-24x - 4x > 1 - 29
-28x > - 28 / : (-28)
x < 1
x ∈ (-oo, 1)
załacznik