Write a compound inequality where a quantity x is at least 10 and at most 20

20 ≥ x ≥ 10

would the way to display the compound inequality.

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,