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Soalnya kok tdk ada
Misal 6x²+18x+20
a=6
b=18
c=20
akarnya x1,dan x2
x1+x2=-b/a
-18/6
-3
x1.x2= c/a
20/6
4/3
pkb= x²-(jaa)x+hka
x²-(-3)x+4/3
x²+3x+4/3
KALI 3
3x²+9x+4