What are the zeroes of y = x2 – 2x – 15?

Question

–3, –5
3, 5
–3, 5
3, –5

Answer 1

You must mean
y = x^2 - 2x - 15 , note how we show exponents.
=(x-5)(x+3)
so the zeros are -3 and 5

Answer 2

zeroes?
y=0=(x-5)(x+3)
x=5, or x=-3

Answer 3

Thank guys :)