Question

Factorise: y2 + y - 30.​

Answer 1

Answer:

(y-5) (y+6)

Step-by-step explanation:

Splitting the middle term we get ,   (Sum = 1 , Product = -30)

Y^2 +6y-5y-30

y(y+6) -5(y+6)

(y-5) (y+6)

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Answer 2

Step-by-step explanation:

y2+6y-5y-30=0

y(y+6)-5(y+6)=0

(y-5) (y+6)=0

......y=5 and

......y=-6