factorise : 8+6(p+q)-5(p+q)2

        8 + 6p+q - 5p+q2=-5p+q2 - 6p+q - 8=-5p+q2 - 10p+q + 4p+q - 8=-5p+qp+q-2 + 4p+q-2=-5p+5q+4p+q-2=5p+5q+42-p-q

  • -10
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