Respuesta:
a+b=6
ab=-247
a=6-b, (6-b)b=-247
b²-6b-247=0
b 13
b -19
b=-13 v b=19
a-13=6 v a+19=6
a=19 a=-13
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Respuesta:
a+b=6
ab=-247
a=6-b, (6-b)b=-247
b²-6b-247=0
b 13
b -19
b=-13 v b=19
a-13=6 v a+19=6
a=19 a=-13