SOLUTION: Hi, please could you help me with this question: The product of a certain positive whole number and three more than that number is 270. What could the number be?

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Hi, please could you help me with this question: The product of a certain positive whole number and three more than that number is 270. What could the number be?      Log On


   

Question 1103743: Hi, please could you help me with this question:
The product of a certain positive whole number and three more than that number is 270. What could the number be?
Answer by ikleyn(52777) About Me  (Show Source):
You can put this solution on YOUR website!
.
1.  Mental solution 15*18 = 270   (5 seconds),   or


2.  Algebra solution solving the quadratic equation x*(x+3) = 270.