Question

How do you simplify `(3x^2 + 2x + 1) + (x-8)`?

Answer 1

`f(x) = 3x^2 + 2x + 1 + (x - 8)`
`f(x) = 3x^2 + 3x - 7`
`D = b^2 - 4ac = 9 + 84 = 93`
Because D isn't a perfect square, so, this trinomial can't be factored, and, F(x) can't be simplified further.