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xyxyxyx
21-04-2021
Mathematics
contestada
factorise : ab²-bc²-ab + c²
Respuesta :
jennifer570
jennifer570
21-04-2021
ab²-bc²-ab +c²
= ab²- ab+ bc²+c²
= ab(b-1)-c²(b-1)
= (b-1) (ab-c²)
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