Question 1

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Donats els polinomis begin mathsize 12px style bold P bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style negative 4 times x cubed minus 2 times x squared minus 5 times x plus 5 end style bold space bold i bold space bold Q bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style negative 5 times x squared minus 3 times x minus 4 end style end style calcula  begin mathsize 12px style bold P bold left parenthesis bold x bold right parenthesis bold space begin bold style minus end style bold space bold left square bracket bold Q bold left parenthesis bold x bold right parenthesis bold right square bracket to the power of bold 2 end style.

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