Question

Factorise y2-7y +12​

Answer 1

Hey mate,...

y2 - 7y + 12

= y2 -(3+4)y + 12

= y(y-3)-4(y-3)

= (y-3)(y-4)

Hope it will help you

Answer 2

y^2- 7y+ 12
=y^2- 4y-3y+ 12
=y(y-4)-3(y-4)
=(y-4) (y-3)

HOPE ITS HELPS U.....



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