5x2-3x-9=2x-3
1 yp.
5x2-3x-9=0
D= (-3)2 + 4*5*9= 189= (13)2
X1= 3 + 13/5*2=1.6
X2= 3-13/5*2= -1
2yp.
2x=3
x= 1.5
5x2-3x-9=2x-3
1 yp.
5x2-3x-9=0
D= (-3)2 + 4*5*9= 189= (13)2
X1= 3 + 13/5*2=1.6
X2= 3-13/5*2= -1
2yp.
2x=3
x= 1.5