Question

using the quadratic formula, solve the quadratic equation:
4x^2-5x-4=0

Answer 1

\[x = \cfrac{1}{12}(5\pm\sqrt{89})\]
steps in attached file.

Answer 2

but do you have to write out both answers in fraction form?

Answer 3

it depends on what your teacher wants, if you are still learning the nuts and bolts... maybe

89 has no integer square root, and 5 is not a factor of 12... the answer is going to be in decimals