Algebra 2B Flashcards | Quizlet
A rectangular prism with a volume of 400 cubic centimeters has the dimensions x + 1 centimeters, 2x centimeters, and x + 6 centimeters. The equation 2x^3+14x^2+12x=400 can be used to find x. What is the length of the longest side? Use a graphing calculator and a system of equations to find the answer.