Question

What numbers multiply to -756 but when added = 1

Answer 1

So?
-756*x +x =1 ?
-755 x = 1
x= -1/755

or
what two numbers when multiplied equal -756 but when added together equal 1?

numbers are x and y
x*y= -756
x+y=1

rearrange the 2nd eq
y=1-x
substitute

x(1-x)=-756
distribute
x-x^2=-756
solve for zero
x^2-x-756=0

factor/quadratic equation