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 4 times x cubed minus 4 times x squared minus 2 times x plus 4 end style bold comma bold space bold Q bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style negative 2 times x cubed minus 5 times x squared plus x plus 3 end style bold space bold i bold space bold R bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style 5 times x squared plus 3 times x plus 3 end style bold space end style
calcula begin mathsize 12px style bold P bold left parenthesis bold x bold right parenthesis bold space begin bold style plus end style bold space bold Q bold left parenthesis bold x bold right parenthesis bold times bold R bold left parenthesis bold x bold right parenthesis bold. end style

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