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By using the Formula
       -b possitive negative√b²-4ac
x= --------------------------------------------
1 2 1
is that the quadratic formula? (get first the values of A,B and C from the standard equation )<< am I right????
yes :D
Quadratic formula:

-b(positive negative) √b²-4(a)(c)

2 3 2
for me this is the most easy formula to me!
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