Factorise :
ab2 - (a - c) b - c
9 Likes
= ab2 - ab + bc - c
= ab(b - 1) + c(b - 1)
= (b - 1)(ab + c)
Hence,ab2 - (a - c) b - c = (b - 1)(ab + c)
Answered By
5 Likes
3a2b - 12a2 - 9b + 36
x2 - (a - 3)x - 3a
(a2 - b2) c + (b2 - c2)a
a3 - a2 - ab + a + b - 1