Expression 3: "s" left parenthesis, "a" , right parenthesis equals "a" cubed minus 2 "a" squared minus 15 "a"sa=a3−2a2−15a
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Hidden Label: left parenthesis, "t" , "s" left parenthesis, "t" , right parenthesis , right parenthesis equals left parenthesis, 0 , 0 , right parenthesist,st
Label
equals=
left parenthesis, 0 , 0 , right parenthesis0,0
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Expression 5: "y" equals "s" prime left parenthesis, "a" , right parenthesisy=s′a
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Hidden Label: left parenthesis, "t" , "s" prime left parenthesis, "t" , right parenthesis , right parenthesis equals left parenthesis, 0 , negative 15 , right parenthesist,s′t
Label
equals=
left parenthesis, 0 , negative 15 , right parenthesis0,−15