Question 1131277


{{{3p^2 - 2700 = 0}}}

{{{3(p^2 - 900 )= 0}}}

{{{3(p^2 - 30^2 )= 0}}}

{{{3(p - 30 )(p+30)= 0}}}

solutions:

{{{p=30}}}
{{{p=-30}}}