Question

Factorise y^2 - y -20

Answer 1

Answer:

[ y - 5 ] [ y - 4 ]

Step-by-step explanation:

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Answer 2

Answer:

(y-4)(y-5)

Step-by-step explanation:

y2-5y+4y-20=y(y-5)+4(y-5)=(y-4)(y-5)