Nishat11 Nishat11

03-05-2018
Mathematics

contestada

The sum of 6 times a position number and 1 is the same as the sauare of 1 less than the number

Respuesta :

jinc0930 jinc0930

03-05-2018

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 :)

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