rozwiąż nierówność
(x-4)(x-1) - (x-5)(x-1) > 0
(x-4)(x-1)-(x-5)(x-1)>0
x2-x-4x+4-x2+x+5x-5>0
x-1>0
x>1
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(x-4)(x-1)-(x-5)(x-1)>0
x2-x-4x+4-x2+x+5x-5>0
x-1>0
x>1