SOLUTION: a rectangular prism has a width of x cm. its length is 3 cm more than its width, and its height is 4 cm more than its length. write an algebraic expression, in simplified form, for

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: a rectangular prism has a width of x cm. its length is 3 cm more than its width, and its height is 4 cm more than its length. write an algebraic expression, in simplified form, for      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 880514: a rectangular prism has a width of x cm. its length is 3 cm more than its width, and its height is 4 cm more than its length. write an algebraic expression, in simplified form, for the volume of the prism.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Width: x
Length: x+3
Height: (x+3)+4 = x+7

-------------------------------------------------------

Volume = (Width)*(Length)*(Height)

Volume = (x)*(x+3)*(x+7)

Volume = x(x^2+10x+21)

Volume = x^3+10x^2+21x