2007-10-21 14:09:04 · 9 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
2 (x ² - 1) = 2 (x - 1) (x + 1)
2007-10-24 06:45:54 · answer #1 · answered by Como 7 · 0⤊ 0⤋
First factor out a 2
2 (x^2 -1)
2 (x+1)(x-1)
Done
2007-10-21 14:12:28 · answer #2 · answered by Anonymous · 0⤊ 0⤋
2x^2 - 2
=2(x^2 - 1)
=2(x-1)(x+1)
2007-10-21 14:11:42 · answer #3 · answered by Tim P. 5 · 1⤊ 0⤋
2x^2 - 2 = 2 ( x^2 - 1 ).
2007-10-21 14:11:04 · answer #4 · answered by hrothgar 6 · 0⤊ 1⤋
2X^2 - 2
2(X^2 -1)
2(X+1)(X-1)
X = -1,1
2007-10-21 14:13:43 · answer #5 · answered by fenx 5 · 0⤊ 1⤋
i got -2(-x^2+1)
but i dont no....
2007-10-21 14:16:28 · answer #6 · answered by Anonymous · 0⤊ 0⤋
To person "A"....
Did YOUR teacher tell you it's not nice to make fun of people's weaknesses? No? Did your teacher tell you that when you mean "also" that it's spelled "toO"?
Yeah...that's what I thought TOO.
2007-10-21 14:13:34 · answer #7 · answered by Kerry S 2 · 1⤊ 1⤋
Did your teacher tell you to use Yahoo! Answers to do your homework?
...
...
...
...
Thats what I thought to.
2007-10-21 14:11:16 · answer #8 · answered by A 2 · 1⤊ 0⤋
-2
http://answers.yahoo.com/question/index?qid=20071017212508AAF3rzU&r=w&pa=FZptHWf.BGRX3OFMiDZcURYpe8mqxCLhWm6lMlJ1BEBmCVwAAQ--&paid=answered#NbUvWDK1UjRLEgR.sPrd
2007-10-21 14:11:01 · answer #9 · answered by Anonymous · 0⤊ 2⤋