how to factorise a(3a - 2)- 1
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a(3a - 2) -1
3a^2 - 2a-1
3a^2- [ 3 - 1]a - 1
3a^2 - 3a + 1a - 1
3a[ a - 1] + 1 [ a - 1]
(3a + 1) ( a - 1)
3a + 1 a - 1
a= -1/3 a = 1
hope this helps ☺☺
3a^2 - 2a-1
3a^2- [ 3 - 1]a - 1
3a^2 - 3a + 1a - 1
3a[ a - 1] + 1 [ a - 1]
(3a + 1) ( a - 1)
3a + 1 a - 1
a= -1/3 a = 1
hope this helps ☺☺
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