73.5k views
2 votes
The sum of 6 times a position number and 1 is the same as the sauare of 1 less than the number

1 Answer

3 votes
If the number is x, then:
6x+1= (x-1)^2

Now we just need to simplify it
6x+1=(x-1)*(x-1)
6x+1=x^2-2x+1
8x=x^2
8=x

The number is 8.

To check the answer
6*8+1=7^2
49=49
correct :)
User Mike Zboray
by
6.7k points