What two numbers multiply to get -126 and add to get -5

Can any one me with the answers to these questions asap?

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10