Question 367029
{{{ y=-2(x-3)^2-1 }}}
{{{ y=-2((x^2-6x+9))^2-1 }}}
{{{y= -2x^2+12x-18 -1}}}
{{{y=-2x^2+12x-19}}}
..
it will open downwards 
...
{{{graph(300,300,-1,5,-5,1,(-2x^2+12x-19))}}}
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m.ananth@hotmail.ca