Question

Factorise: (i) 2x^2 - 4x - 6
(ii) z^2 - 8z + 15
(iii) 9y^2 - 12y + 3​

Answer 1

Answer:

2x^2 - 4x - 6

2x^2 - (6 -2)x -6

2x^2 - 6x + 2x - 6

2x (x - 3) + 2 (x - 3)

(2x + 2) (x - 3)

I hope it is useful for you