factorise a^3 - a^2 + a - 1
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a² ( a - 1 ) + 1 ( a - 1 )
= ( a² + 1 ) ( a - 1 )
= ( a² + 1 ) ( a - 1 )
rp869546:
Is this a right method?
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Answer:
a³ - a² + a - 1
a² ( a - 1 ) + 1 ( a - 1 )
( a + 1 ) ( a² + 1 )
Thanks!
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