GOD I HATE MATHS
2007-11-26 09:21:16 · 6 answers · asked by K Rigby 1 in Science & Mathematics ➔ Mathematics
x² + 2x - 8 = (x + 4)(x - 2)
2007-11-26 09:32:47 · answer #1 · answered by Como 7 · 2⤊ 1⤋
x^2 + 2x - 8 => (x+4)(x-2)=0 => x=-4 or x=2
2007-11-27 03:47:44 · answer #2 · answered by Anonymous · 0⤊ 1⤋
x² + 2x - 8 = 0
x² + 2x = 8
x² + 2x + 1 = 8 + 1
(x+1)² = 9
x + 1 = ±3
x = -1 ± 3
x = -4, 2
2007-11-26 17:25:03 · answer #3 · answered by Mathavan M 2 · 1⤊ 2⤋
(x+4)(x-2)
Edit: Can you people not read? Did he ask "How do you solve x^2 + 2x - 8 = 0" ???
NO. So think again.
2007-11-26 17:25:19 · answer #4 · answered by ? 7 · 3⤊ 1⤋
Tall Paul is correct , others are wrong !
2007-11-26 17:30:54 · answer #5 · answered by Brainteaser 4 · 1⤊ 1⤋
(x+4)(x-2)=0
x=-4
x=2
I'm doing a level :)
2007-11-26 17:26:18 · answer #6 · answered by Robotette 3 · 0⤊ 2⤋