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X^2-8x+16/5x-15 : x^2-2x-8/x^2-x-6

Răspuns :

=[(x-4)²/5(x-3)]:[(x+2)(x-4)/(x+2)(x-3)] simplificam cu x+2
=[(x-4)²/5(x-3)]:[(x-4)/(x-3)]=
=[(x-4)²/5(x-3)]·[(x-3)/(x-4)] simplificam
=x-4
x-4=0
x=4
Operatii cu fractii ..........................
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