Expression 1: "y" equals "x" squared minus 3 "x" plus 2 Has graph. To audio trace, press ALT+T.y=x2−3x+2
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Expression 2: "y" equals left parenthesis, negative "x" , right parenthesis squared minus 3 times negative "x" plus 2 Has graph. To audio trace, press ALT+T.y=−x2−3·−x+2