Expression 8: "C" Subscript, "b" , Baseline equals StartFraction, "D" Subscript, "C" , Baseline Over 4 "A" , EndFraction minus "D" Subscript, "C" , Baseline plus "R" Subscript, "i" , Baseline plus "x"Cb=DC4A−DC+Ri+x
8
Expression 9: "C" Subscript, "c" , Baseline equals negative StartFraction, "D" cubed Over 16 times "A" times left parenthesis, "R" Subscript, "i" , Baseline plus "x" , right parenthesis , EndFractionCc=−D3C16·A·Ri+x
9
Expression 10: "C" equals "R" Subscript, "o" , Baseline minus StartFraction, left parenthesis, negative "C" Subscript, "b" , Baseline positive StartRoot, "C" squared minus 4 "C" Subscript, "c" , Baseline , EndRoot , right parenthesis Over 2 , EndFractionC=Ro−−Cb+C2b−4Cc2