Please note that I have only now seen the negative:

`9p^2 + 8 = -77`

`9p^2 = -77-8`

`9p^2=-85`

`p^2= (-85)/9`

`sqrtp^2=sqrt(-85/9)`

This would render no solution unless we use imaginary numbers (i):

`therefore p = sqrt9.44 i` or `p=-sqrt9.44 i`