1)D=25-4*1*4=9
x=(5-3)/2=1
x=(5+3)/2=4
2) D=36-4*1*9=0
x=6/2=3
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1)D=25-4*1*4=9
x=(5-3)/2=1
x=(5+3)/2=4
2) D=36-4*1*9=0
x=6/2=3