Jawabanmu

2014-08-22T22:32:39+07:00
5 = x^2 +bx + 5
-bx = x^2 + 5 - 5
-bx = x^2
b = -x
1 1 1
Jawaban paling cerdas!
2014-08-22T22:36:58+07:00
5 = x^2 + bx + 5
0 = x^2 + bx
-x^2 = bx
b= -x^2/x
b = -x
4 4 4