Solving x²-4=0 by factoring?

How can I solve this by factoring?

2007-09-10 08:58:42 · 3 answers · asked by vietx69 2 in Science & Mathematics ➔ Mathematics

(x - 2) (x + 2) = 0
x = 2 , x = - 2

2007-09-13 21:59:21 · answer #1 · answered by Como 7 · 1⤊ 0⤋

x=-2 or +2

2007-09-14 14:20:15 · answer #2 · answered by tarek n 1 · 0⤊ 1⤋

(x - 2) (x + 2) = 0
x = +-2

2007-09-10 16:03:28 · answer #3 · answered by Runa 7 · 0⤊ 2⤋

fedest.com, questions and answers