Jawabanmu

2014-08-30T21:41:17+07:00
X^2-6x+9+6x-18+8=0
x^2-1=0
x^2=1
x=√1
x=1



2014-08-30T21:53:10+07:00
(x-3)² + 8 = 0
(x-3)(x-3) +8 = 0
x²- 3x - 3x + 9 +8 =0
x²+0+9+8 = 0
x²+ 17 =0
x² = 0-17
x²= -17