+2 votes
in General by kratos

Factorise: 54p3 - 250q3.

1 Answer

+3 votes
by kratos
 
Best answer

54p3 - 250q3.

= 2[27p3 - 125q3]

= 2[(3p)3 - (5q)3]

= 2(3p - 5q)(9p2 + 15pq + 25q2)

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