Factorisation by regrouping terms
Example 3 Important
Ex 12.1, 3 (i)
Ex 12.1, 3 (iii)
Ex 12.1, 3 (ii) Important
Ex 12.1, 3 (iv) Important You are here
Ex 12.1, 3 (v) Important
Ex 12.2, 3 (i)
Ex 12.2, 3 (ii) Important
Ex 12.2, 3 (iii)
Ex 12.2, 3 (v) Important
Ex 12.2, 3 (iv) Important
Ex 12.2, 3 (vi)
Ex 12.2, 3 (vii)
Ex 12.2, 3 (viii) Important
Ex 12.2, 3 (ix)
Last updated at Dec. 16, 2024 by Teachoo
Ex 12.1, 3 Factorise. (iv) 15 pq + 15 + 9q + 25p15 pq + 15 + 9q + 25p = 15pq + 25p + 15 + 9q = (15pq + 25p) + (15 + 9q) = 5p (3q + 5) + 3 (5 + 3q) = 5p (3q + 5) + 3 (3q + 5) Taking (3q + 5) Common, = (3q + 5) (5p + 3)