Question

Simplificati raportul : x supra x²-x , x∈R/(0,1)
Descompuneti expresia  2+x-2x²-x³  
Va rog urgent

Answer 1

$\frac{x}{x^2-x}= \frac{1}{x-1}$ (simplificat prin x)

2-2x²+x-x³=2(1-x²)+x(1-x²)=(2+x)(1-x²)