x=-b/2a=6/2*2=1.5y=2*2.25-6*1.5+2=-2.5
x=-b/2a=6/2·2=6/4=1.5
y=2·(1.5)²-6·1.5+2=4.5-9+2=-2.5
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x=-b/2a=6/2*2=1.5
y=2*2.25-6*1.5+2=-2.5
x=-b/2a=6/2·2=6/4=1.5
y=2·(1.5)²-6·1.5+2=4.5-9+2=-2.5