Telangana SCERT Solution Class VIII (8) Math Chapter 12 Factorisation Exercise 12.1
Contents
(1) Find the common factors of the given terms in each.
(i) 8x, 24
(ii) 3a, 21ab
(iii) 7xy, 35x2y3
(iv) 4m2, 6m2, 8m3
(v) 15p, 20qr, 25rp
(vi) 4x2, 6xy, 8y2x
(vii) 12x2y, 18xy2
(2) Factorise the following expressions
(i) 5x2 – 25xy
(ii) 9a2 – 6ax
(iii) 7p2 + 49pq
(iv) 36a2b – 60a2bc
(v) 3a2 bc + 6ab2c + 9abc2
(vi) 4p2 + 5pq – 6pq2
(vii) ut + at2
(3) Factorise the following:
(i) 3ax – 6xy + 8by – 4ab
(ii) x3 + 2x2 + 5x + 10
(iii) m2 – mn + 4m – 4n
(iv) a3 – a2b2 – ab + b3
(v) p2q – pr2 – pq + r2