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4x - 12 - x² + 1 < 5x - 5 -x² - 6x - 9 - 2
-x² +4x - 11 < -x² -x -16
4x - 11 < -x - 16
4x + x < -16 + 11
5x < -5
x < -1
4(x-3)-(x+1)(x-1) < 5(x-1)-(x+3)²-2
4x-12-(x²-1) <5x-5 -(x²+6x+9)-2
4x-12-x²+1 < 5x-5 -x²-6x-9 -2
4x+1x < -5-9-2+12-1
5x <-5
X< -1
< -----------
\\\\\\\\\\ I
-------------.------------------>
-1
X∈(-∞ , -1)
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4x - 12 - x² + 1 < 5x - 5 -x² - 6x - 9 - 2
-x² +4x - 11 < -x² -x -16
4x - 11 < -x - 16
4x + x < -16 + 11
5x < -5
x < -1
4(x-3)-(x+1)(x-1) < 5(x-1)-(x+3)²-2
4x-12-(x²-1) <5x-5 -(x²+6x+9)-2
4x-12-x²+1 < 5x-5 -x²-6x-9 -2
4x+1x < -5-9-2+12-1
5x <-5
X< -1
< -----------
\\\\\\\\\\ I
-------------.------------------>
-1
X∈(-∞ , -1)