-[(x³/3)-x²-3x]₋₁³
=-〔{(3³/3)-3²-3·3}-{((-1)³/3)-(-1)²-3·(-1)}〕
=-〔{9-9-9}-{-(1/3)-1+3}
=-〔-9+(1/3)+1-3〕
=-〔-(27/3)+(1/3)+(3/3)-(9/3)〕
=-〔(-27+1+3-9)/3〕
=-〔-32/3〕
=32/3
-[(x³/3)-x²-3x]₋₁³
=-〔{(3³/3)-3²-3·3}-{((-1)³/3)-(-1)²-3·(-1)}〕
=-〔{9-9-9}-{-(1/3)-1+3}
=-〔-9+(1/3)+1-3〕
=-〔-(27/3)+(1/3)+(3/3)-(9/3)〕
=-〔(-27+1+3-9)/3〕
=-〔-32/3〕
=32/3
Users viewing this question
are also looking at these questions 😉