Mathematics
Factorise :
a2 + 4b2 - 3a + 6b - 4ab
Factorisation
7 Likes
Answer
Given,
a2 + 4b2 - 3a + 6b - 4ab
= a2 + 4b2 - 4ab - 3a + 6b
= a2 + (2b)2 - 2 × a × 2b - 3a + 6b
= (a - 2b)2 - 3(a - 2b)
= (a - 2b)(a - 2b - 3).
Hence, a2 + 4b2 - 3a + 6b - 4ab =(a - 2b)(a - 2b - 3).
Answered By
5 Likes