Jawabanmu

2014-06-11T08:09:56+07:00
2x*2 +4x +3 =0
x1.x2=3/2
x1+x2=4/2=2
persamaan baru dg faktor
a= x1+4
b=x2+4
a+b=x1+4+x2+4=x1+x2+8=2+8=10
a.b=(x1+4)(x2+4)=x1.x2+4(x1+x2)+16=1,5+8+16=25,5
x*2-10x+25,5=0