Question

Given the function f(x) = 5x + 3x^2, then what is - f(x) as a simplified polynomial?

Answer 1

For this case we have this function given:

`f(x)=5x+3x^2`

And we want to find -f(x) so we can do this:

`-f(x)=-5x-3x^2`

And we can take common factor x and we got:

`-f(x)=-x(5+3x)`