Mathematics
Factorise :
a(3a - 2) - 1
Factorisation
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Answer
Given,
a(3a - 2) - 1
= 3a2 - 2a - 1
= 3a2 - 3a + a - 1
= 3a(a - 1) + 1(a - 1)
= (a - 1)(3a + 1).
Hence, a(3a - 2) - 1 = (a - 1)(3a + 1).
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Factorise :
a(3a - 2) - 1
17 Likes
Given,
a(3a - 2) - 1
= 3a2 - 2a - 1
= 3a2 - 3a + a - 1
= 3a(a - 1) + 1(a - 1)
= (a - 1)(3a + 1).
Hence, a(3a - 2) - 1 = (a - 1)(3a + 1).
Answered By
8 Likes