Question 54

Q29Multiple choiceExercise 2.3

Factorise the following :

(i)9x2 + 4y2 + 16z2 + 12xy – 16yz – 24xz
(ii)25x2 + 16y2 + 4z2 – 40xy + 16yz – 20xz
(iii)16x2 + 4y2 + 9z2 – 16xy – 12yz + 24 xz