Question

8. Factorize
y²-2y-15​

Answer 1

y²-2y-15

y²-5y+3y-15

y(y-5)+3(y-5)

(y+3)(y-5)

factors are

(y+3)

and

(y-5)

Answer 2

y² - 2y - 15

y² - 5y + 3y - 15

y( y - 5 ) + 3( y - 5 )

(y + 3) (y - 5)