Question

SIPLIFICATI RAPORTUL ALGEBRIC:

Answer 1

$\frac{X(Y+1)^{2}- Y(X+1)^{2}}{X(Y+1)-Y(X+1)} = \frac{X(Y^{2}+2Y+1)- Y(X^{2}+2X+1)}{XY+X-YX-Y}$
$\frac{X*Y^{2}+2XY+X- Y*X^{2}-2XY-Y}{X-Y} = \frac{X*Y^{2}+X- Y*X^{2}-Y}{X-Y}$
$\frac{X*Y(Y-X)+X-Y}{X-Y} =1-XY$