You are designing a rectangular flower bed that you will border using brick paverst. the width of the border aaround the bed will be th same on every side as shown

a) Polynomial equation that represents total area can be written as,

as per figure,

dimension are as follows,

Length = ,  Breadth =

∴ Area = Length x Breadth = x

So we get equation as,

 =  

b) Total area of flower bed when width of border is 1.5 feet

width of border is value of x

∴ x = 1.5 feet

by substituting value of x in equation we get,

Total area = 9 + 33 + 30 = 72 feet

step-by-step explanation: