Jawabanmu

2014-03-02T17:19:07+07:00
P+q=-b/a=5
p.q= c/a=-1

-P+Q=
-2p+1+2q+1
-2(p+q)+2
-2(5)+2=12

-P.Q=
-(2p+1)(2q+1)
-(4pq+2p+2q+1)
-(4pq+2(p+q)+1)= 4(-1)+2(5)+1=7

-x^2-(p+q)x+pq=0
-x^2-12x+7=0 
cmiww
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