+1 vote
in General by kratos

Factorise : a(3a - 2) - 1

1 Answer

+4 votes
by kratos
 
Best answer

a(3a - 2) - 1
= 3a2 - 2a - 1
= 3a2 - 3a + a - 1
= 3a( a - 1 ) + 1( a - 1 )
= ( 3a + 1 )( a - 1 )

...