文本内容:
-[-x×x-1]化简Tosimplifytheexpression-[-x×x-1]wecanfollowthesesteps:
1.Distributethenegativesigntotheexpressioninsidethebrackets:-[-x×x-1]=-[-x×x+x×1]
2.Simplifytheexpressioninsidethebrackets:-[-x×x+x×1]=-[-x^2+x]
3.Distributethenegativesigntoeachterminsidethebrackets:-[-x^2+x]=x^2-xThereforethesimplifiedexpressionisx^2-x.第PAGE页共NUMPAGES页。