Question

factorise: y2 + 7y + 12​

Answer 1

Answer:

y54

Step-by-step explanation:

Hope it will helpful for you thanks...

Answer 2

Answer:

Answer is y= -4, -3

${y}^{2} + 7y + 12 = 0$

${y}^{2} + 3y + 4y + 12 = 0$

y(y+3) + 4(y+3) = 0

(y+4)(y+3)=0

1st Case

y+4=0

y= -4

2nd Case

y+3=0

y=-3