Weekly Problem 10 - 2007

Stage: 3 and 4 Challenge Level: Challenge Level:1

The square of a number is 12 more than the number itself. The cube of the number is 9 times the number. What is the number?

 

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

 

 

This problem is taken from the UKMT Mathematical Challenges.

View the previous week's solution
View the current weekly problem