Răspuns :
P(X) = 5X^2-(X^4-4X^2-X)-1
P(X) = 5X^2-X^4+4X^2+X-1
P(X) = -X^4+9X^2+X-1
-X^4 +9X^2+X-1 I X^2-1
X^4 - X^2 -------------
----------------- -X^2+8
= 8X^2 +X
-8X^2 +8
-------------
= X+8
C(X) = -X^2 +8
R(X) = X+8
P(X) = 5X^2-X^4+4X^2+X-1
P(X) = -X^4+9X^2+X-1
-X^4 +9X^2+X-1 I X^2-1
X^4 - X^2 -------------
----------------- -X^2+8
= 8X^2 +X
-8X^2 +8
-------------
= X+8
C(X) = -X^2 +8
R(X) = X+8