3n2+5n-100=?

Answer 1

3n^2+5n-100=?

If this is a quadratic equation, the your ? is 0

If you are dealing with the corresponding quadratic function you would normally find it as
y = 3n^2 + 5n - 100 , where y is the dependent variable, and n is the independent variable

What about it ?

Answer 2

well, 3n^2+5n-100 = (3n+20)(n-5)