solve x^2 + 2x + 2 = 0?

0 ⤊

2007-09-12 04:31:22 · 5 answers · asked by precalculus 1 in Science & Mathematics ➔ Mathematics

x = (-2 +/- sqrt(4 - 8) ) / 2
= -1 +/- sqrt(-4) / 2
= - 1 +/- i.

2007-09-12 04:39:46 · answer #1 · answered by Anonymous · 0⤊ 0⤋

x = -1 Â± i

2007-09-12 12:03:48 · answer #2 · answered by Bennyboxer 3 · 0⤊ 0⤋

xÂ² + 2x + 2 = 0
xÂ² + 2x + 1 = -2 + 1
(x + 1)Â² = -1
x + 1 = Â±â-1 = Â±i
x = -1 Â± i

2007-09-12 11:40:28 · answer #3 · answered by Philo 7 · 0⤊ 0⤋

there is no real solution x would have to be negative

2007-09-12 11:40:26 · answer #4 · answered by Scott B 2 · 0⤊ 1⤋

infinity

2007-09-12 11:39:11 · answer #5 · answered by Mr B 2 · 0⤊ 1⤋