Expression 3: left parenthesis, StartFraction, 10 "a" Over left parenthesis, "x" minus 8 , right parenthesis minus 10 "a" , EndFraction , right parenthesis squared minus StartFraction, 10000 Over "a" squared plus 100 , EndFraction equals left parenthesis, "y" plus 10 "a" , right parenthesis squared10ax−8−10a2−10000a2+100=y+10a2
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Expression 4: left parenthesis, StartFraction, 10 "a" Over left parenthesis, "x" minus 4 , right parenthesis minus 10 "a" , EndFraction , right parenthesis squared minus StartFraction, 10000 Over "a" squared plus 100 , EndFraction equals left parenthesis, "y" plus 10 "a" , right parenthesis squared10ax−4−10a2−10000a2+100=y+10a2