表达式5: "y" minus left parenthesis, negative 2 "a" , right parenthesis cubed equals 12 "a" squared left parenthesis, "x" plus 2 "a" , right parenthesisy−−2a3=12a2x+2a
5
表达式6: "y" minus left parenthesis, 4 "a" , right parenthesis cubed equals 48 "a" squared left parenthesis, "x" minus 4 "a" , right parenthesisy−4a3=48a2x−4a
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表达式7: "y" minus left parenthesis, negative 8 "a" , right parenthesis cubed equals 192 "a" squared left parenthesis, "x" plus 8 "a" , right parenthesisy−−8a3=192a2x+8a
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表达式8: "y" negative left parenthesis, 16 "a" , right parenthesis Superscript, 3 , Baseline equals 768 "a" squared left parenthesis, "x" minus 16 "a" , right parenthesisy−16a3=768a2x−16a
