x的6次方+x的平方等於多少? x(x-y)的平方-y(x-y)

x的6次方+x的平方等於多少? x(x-y)的平方-y(x-y)

X^6+X^2=X^4乘以X^2+X^2=X^2(X^4+1)x(x-y)的平方-y(x-y)=(X-Y)(X^2-XY-y)