Question

solve using the quadratic formula. please help me people.
x^2-4x-7=0

Answer 1

\[(-b \pm \sqrt{b2-4ac})/2a\]

Answer 2

here in this case a =1, b = -4 and c = -7

Answer 3

?

Answer 4

If you have time, see
http://www.khanacademy.org/math/algebra2/polynomial_and_rational/quad_formula_tutorial/v/using-the-quadratic-formula
for how to do this problem

Answer 5

I'm sorry, but I'm not going to have time.

Answer 6

What are the awnsers good sir?

Answer 7

huh?

Answer 8

just follow the formula what else do you want?