Question

Factorise using suitable algebraic identities
i) y2 + 4y - 12

Answer 1

Answer:

Y² + (6-2)y - 12

Y² + 6y - 2y - 12

Y (y + 6) - 2 (y + 6)

(y - 2) (y + 6)

Y = 2

Y = - 6