Question

F(x)=3x square + x f(-5)

Answer 1

If you need the answer as f by simplifying both sides of the equation and then isolating the variable, the answer would be:

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

Or, if you need to evaluate the function itself, the answer would be:

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