3x^2-27 = what?

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2006-09-06 15:14:08 · 6 answers · asked by sammygurl102188 1 in Education & Reference ➔ Homework Help

3x^2-27=0
27+(3x^2-27)=0+27
3x^2=27
(3x^2)/3=27/3
x^2=9
x=3

2006-09-06 15:16:53 · answer #1 · answered by Anonymous · 0⤊ 0⤋

2006-09-06 22:16:16 · answer #2 · answered by DVSKITTEN 3 · 0⤊ 0⤋

can't answer unless we know what x is. If you just want to factor it, it's 3(x^2-9) which is 3(x+3)(x-3)

2006-09-06 22:21:29 · answer #3 · answered by banjuja58 4 · 0⤊ 0⤋

3x^2-27=0
3x^2=27
x^2=27/3
x^2=9
x=3........

2006-09-06 22:18:16 · answer #4 · answered by nickynicky 1 · 0⤊ 0⤋

if x=3 then it equals zero

2006-09-06 22:16:46 · answer #5 · answered by bchylik 3 · 0⤊ 0⤋

What number is X?

2006-09-06 22:17:11 · answer #6 · answered by I'm not a babii gurl, thanks 2 · 0⤊ 0⤋