Question

pls help
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Answer 1

Answer:

=27 x³-9x²-x+3

=27(-1/3)³-9(1/3)²-(-1/3)+3

=27× -1/27-9× 1/9+1/3+3

=-1-1+1/3+3

=-3-3+1+9/3

=-6+10/3

=4/3