Jawabanmu

2014-03-10T12:50:17+07:00
(ax-3)(x+b)=(p+1)x² + 7x - 6
ax² + (ab-3)x - 3b = (p+1)x² +7x - 6

sehingga : 
a = (p+1)
(ab-3) = 7
-3b = -6

-3b = -6
b=2

(ab-3)=7
2a-3=7
2a=10
a=5

a= p+1
p= a-1
p= 5-1
p=4
1 5 1