2006-11-02 13:16:23 · 7 answers · asked by Math Freak 1990 1 in Science & Mathematics ➔ Mathematics
(x-2)(x+2)=0
Therefore,
x-2=0..or...x+2=0
Transpose to RHS
x=2...or...x=-2
2006-11-02 13:50:04 · answer #1 · answered by Paulo z 2 · 0⤊ 0⤋
x= 2 or -2
2006-11-02 21:18:02 · answer #2 · answered by n8.nate 2 · 0⤊ 1⤋
X^2 + 2x - 2x - 4 = 0
x^2 - 4 = 0
X^2 = 4
x = 2
2006-11-02 21:19:02 · answer #3 · answered by Anonymous · 1⤊ 0⤋
x=0 that's not the answer I was just making a funny face.
2006-11-02 21:18:20 · answer #4 · answered by evilive 4 · 0⤊ 0⤋
root 2? my mental math is rusty
Alg 1 was a while ago
2
2006-11-02 21:18:09 · answer #5 · answered by Zack 3 · 0⤊ 1⤋
ROFL you must be joking me.
(x-2)(x+2)=0
FOIL
x^2+2x-2x-4
x^2-4
x^2=4
x=2
2006-11-02 21:19:06 · answer #6 · answered by Rachel 4 · 0⤊ 0⤋
well...do the math its so obvious
2006-11-02 21:31:34 · answer #7 · answered by Psycmixer 6 · 0⤊ 0⤋