Question

write this trinomial in factored form
4x^2+19x-5

Answer 1

ah, much better.
(4x + 1)(x - 5)

Answer 2

whoops (4x -1)(x+5)

Answer 3

x1 = (19+21)/8
x1 = 5
x2 = (19-21)/8
x2 = -1/4
The factored form:
(x-x1)(x-x2) = (x-5)(x+ 1/4)