The diagram above shows a right prism container filled with water up to 8 cm in height. Question : Calculate the volume, in cm³,of water needed to completely fill up the container.

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,