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x²-6x+9 > x²-5x-5x-25 /-x²
-6x+9 >-5x-5x-25
-6x+5x+5x>-25-9
4x>-34/ :4
x>-8,5
12(x-2)/3≥12(2-3x)/4
4(x-2)≥3(2-3x)
4x-8≥6-9x
4x+9x≥6+8
13x≥14
x≥1i1/13
x∈<1i1/13,+oo)
(x-3)²>(x+5)(x-5)
x²-6x+9>x²-5x+5x-25
x²-x²-6x-5x+5x>-25-9
-6x>-34
x<5i2/3
x∈(-oo,+5i2/3)