Question 1

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Donats els polinomis
p left parenthesis x right parenthesis equals negative 2 times x to the power of 5 minus 6 times x to the power of 4 plus 18 times x cubed plus 46 times x squared minus 48 times x minus 72
q left parenthesis x right parenthesis equals negative 3 times x to the power of 4 plus 9 times x cubed plus 21 times x squared minus 81 times x plus 54
fes la operació 3 times p left parenthesis x right parenthesis plus 2 times q left parenthesis x right parenthesis i escriu el coeficient (només el nombre, sense x) del terme de grau 3
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