Factorise by taking out the common factor : ab(a^2+b^2-c^2)-bc(c^2-a^2

1.	Factorise by taking out the common factor : ab(a^2+b^2-c^2)-bc(c^2-a^2-b^2)+ca(a^2+b^2-c^2)
Answer» AB(a²+b²-c²) -BC(c²-a²-b²) +CA(a²+b²-c²) ab(a²+b²-c²) +bc(-c²+a²+b²) +ca(a²+b²-c²) ab(a²+b²-c²) +bc(a²+b²-c²) +ca(a²+b²-c²) (a²+b²-c²)(ab+bc+ca) Or, =========================== {a+(b-c)(b+c)} [ab +bc+ca]

Factorise by taking out the common factor : ab(a^2+b^2-c^2)-bc(c^2-a^2-b^2)+ca(a^2+b^2-c^2)

Answer»

AB(a²+b²-c²) -BC(c²-a²-b²) +CA(a²+b²-c²)

ab(a²+b²-c²) +bc(-c²+a²+b²) +ca(a²+b²-c²)

ab(a²+b²-c²) +bc(a²+b²-c²) +ca(a²+b²-c²)

(a²+b²-c²)(ab+bc+ca)

Or,

===========================

{a+(b-c)(b+c)} [ab +bc+ca]

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Factorise by taking out the common factor : ab(a^2+b^2-c^2)-bc(c^2-a^2-b^2)+ca(a^2+b^2-c^2)

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