Question 64804
please help. 
factor the trinomial 
-p^2=12p+27 ..transfer -p^2 from lhs to rhs
p^2+12p+27=0
p^2+3p+9p+27=0
p(p+3)+9(p+3)=0
(p+3)(p+9)=0


having trouble when there is a negative number involved