Factorise :
2a2 - 17ab + 26b2
5 Likes
= 2a2 - (13 + 4)ab + 26b2
= 2a2 - 13ab - 4ab + 26b2
= (2a2 - 13ab) - (4ab - 26b2)
= a(2a - 13b) - 2b(2a - 13b)
= (2a - 13b)(a - 2b)
Hence,2a2 - 17ab + 26b2 = (2a - 13b)(a - 2b)
Answered By
x2 - x - 72
3a2 - 5a + 2
2x2 + xy - 6y2
4c2 + 3c - 10