X^2-1 X^2 ____ - ______ УПРОСТИТЕ 1-X^3 X^2+X+1

Question

X^2-1 X^2
____ - ______ УПРОСТИТЕ
1-X^3 X^2+X+1

Answer 1

1.
X^2-1 X^2=X(X2-1)(X2)=-1