Jawabanmu

2014-08-19T16:23:37+07:00
(p^2 + 3) + (-p^2 + 3)
= p^2 + 3 - p^2 + 3
= 2p^2 + 6
2014-08-19T16:29:55+07:00
(P²+3)(-p²+3) =p²(-p²+3)+3(-p²+3) =-p⁴+3p²-3p²+9 =-p⁴+9