Question 1

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Quina és la funció suma de les funcions:

begin mathsize 12px style bold f bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style fraction numerator x squared minus 8 times x plus 15 over denominator 2 times x squared minus 16 times x plus 32 end fraction end style bold space bold i bold space bold g bold left parenthesis bold x bold right parenthesis bold space bold equals bold space begin bold style fraction numerator x squared minus 10 times x plus 25 over denominator 5 times x squared minus 30 times x plus 40 end fraction end style bold space bold ? end style

Format de la resposta: begin mathsize 12px style fraction numerator 3 x squared minus 5 x plus 2 over denominator 2 left parenthesis x plus 1 right parenthesis left parenthesis x plus 2 right parenthesis end fraction end style Pots deixar el denominador factoritzat
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