find all real or imaginary roots of?

0 ⤊

4x^2 + x + 5 = 0

If there is more than one root write them all

2007-03-10 02:32:30 · 2 answers · asked by Chris l 1 in Science & Mathematics ➔ Mathematics

4x^2 +x+5 = 0
use quadratic formula:

x= (-1 +/- sqrt(1-80))/2
x = (-1 +/- sqrt -79)/2
x= -1 +/- 8.888 i
x= -1 +8.888i and x=-1 - 8.888i

2007-03-10 02:47:37 · answer #1 · answered by bignose68 4 · 0⤊ 0⤋

x=((-1+-sqrt(1-20)/)8
X= -1/8+1/8i*sqrt(19)
x=-1/8-1/8*i sqrt(19)

2007-03-10 18:17:18 · answer #2 · answered by santmann2002 7 · 0⤊ 0⤋