SOLUTION: Product of three consecutive positive integers is 120 times their sum.FInd the numbers.

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: Product of three consecutive positive integers is 120 times their sum.FInd the numbers.      Log On


   

Question 230783: Product of three consecutive positive integers is 120 times their sum.FInd the numbers.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Product of three consecutive positive integers is 120 times their sum.FInd the numbers.
-------
x(x+1)(x+2) = 120(3x+3)
x^3 + 3x^2 + 3x = 360x + 360
x^3 + 3x^2 - 357x - 360 = 0
x = 18
18, 19, 20