Expression 4: "y" squared equals StartFraction, 14 Over "x" times negative 12 times "y" times "x" , EndFraction plus StartFraction, 5 "y" minus StartNestedFraction, "x" "y" NestedOver "x" , EndNestedFraction times "x" Over left parenthesis, StartNestedFraction, "y" left parenthesis, "x" "y" plus StartNestedFraction, "y" NestedOver 3 times 4 "x" Superscript, "y" , Baseline , EndNestedFraction , right parenthesis "y" NestedOver "x" , EndNestedFraction , right parenthesis , EndFractiony2=14x·−12·y·x+5y−xyx·xyxy+y3·4xyyx
4
Expression 5: "y" Superscript, 2 "x" , Baseline equals 3 left parenthesis, StartFraction, "x" Over 2 , EndFraction , right parenthesis times "x" "y" Superscript, StartFraction, 3 Over "x" , EndFraction , Baseliney2x=3x2·xy3x
5
Expression 6: "y" "x" equals left parenthesis, "y" Superscript, "x" , Baseline , right parenthesisyx=yx
6
Expression 7: 4 equals 3 "x" times "y" left parenthesis, "x" plus "y" minus left parenthesis, StartFraction, "y" Over 35 "x" , EndFraction , right parenthesis , right parenthesis4=3x·yx+y−y35x