How to write 3 turnovers : 12assists as a fraction in simplest form

In which form is the following function written? y = - 2(x – 3)(x + 5)

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test