Answer:
[tex]\frac{35}{4} =p[/tex]
Step-by-step explanation:
p=[tex]x^{2} +6[/tex],
(22+6)2-21=[tex]4x^{2} +24[/tex]
44+12-21=[tex]4x^{2} +24[/tex]
35=[tex]4x^{2} +24[/tex],
If you factor out the equation, you get that 35=4p(if you factor it out)
Therefore,[tex]\frac{35}{4} =p[/tex]