The product of two consecutive odd numbers is 255. What are the numbers?

• 15 and 17 are the two numbers.
  
  15*17 = 255
• 12 years agoHelpfull: Yes(1) No(0)
• assuming that odd numbers are x and x+2 bcs x+1 will be an even no.
  so x*(x+2)=255
  x^2+2x=255
  =>x^2+2x-255
  by solving this quadratic equation we get 15 and 17.
• 12 years agoHelpfull: Yes(1) No(0)