SOLUTION: please help me solve this word problem Find three consecutive positive integers such that the product of the second integer and the third is 20.

Algebra ->  Problems-with-consecutive-odd-even-integers -> SOLUTION: please help me solve this word problem Find three consecutive positive integers such that the product of the second integer and the third is 20.      Log On


   

Question 819698: please help me solve this word problem
Find three consecutive positive integers such that the product of the second integer and the third is 20.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
consecutive integers: (x-1), x, (x+1)

x(x+1) = 20
x^2 + x = 20
x^2 + x - 20 =0
(x + 5)(x - 4) = 0

x is positive, so the integers are 3, 4, and 5.