Question

Factorise: y² +7y+12​

Answer 1

Step-by-step explanation:

=>y²+7y+12

=> y²+(4+3)y +12

=> y²+4y+3y+12

=> y(y+4) +3(y+4)

=> (y+4)(y+3)

y= (-4) or (-3)

Answer 2

☘️SoLuTioN:-

=>y² + 7y + 12

=> y² + (4 + 3)y + 12

=> y² + 4y + 3y + 12

=> y(y + 4) + 3(y + 4)

=> (y + 4)( y + 3)

$\sf \: \therefore \: y = (-4) or (-3)$

Hope It Helps You ✌️