2006-11-16 11:53:37 · 13 answers · asked by Kevin G 2 in Science & Mathematics ➔ Mathematics
Look at it this way:
(-1)*(6x + 6x) = (-1)*(12x) = -12x
2006-11-16 11:58:21 · answer #1 · answered by fenx 5 · 0⤊ 0⤋
The dash symbol can be confusing. Sometimes it is the negative sign like (-6X) + (-6X) = -12X and sometimes it is the subtract operation like (-6X) - (-6X) = 0.
Most people think of the problem as -6X plus -6X and answer -12X, but you are correct in thinking that sometimes the dash means subtract.
To be clear, always put the signed number in parenthesis with the mathematical operation in between like this: (-6X) + (-6X) = -12X
2006-11-16 20:45:15 · answer #2 · answered by Charles 1 · 0⤊ 0⤋
two negatives means to add the numbers...
if it said -6x PLUS 6x.. then you subtract and its 0.
but since theyre two negatives, you add them and put a negative sign in front of your final answer.
and as you know.. its -12 :)
hope this helped!
2006-11-16 20:04:49 · answer #3 · answered by kinna 2 · 0⤊ 0⤋
-12
2006-11-16 19:55:08 · answer #4 · answered by AliceA. 1 · 0⤊ 1⤋
-6x -6x = -12x
-(6x-6x) = 0
2006-11-16 19:56:31 · answer #5 · answered by Labsci 7 · 0⤊ 0⤋
-6x - 6x = -12x
2006-11-16 19:56:59 · answer #6 · answered by bhavishyathi 3 · 0⤊ 0⤋
-12x
2006-11-16 21:07:42 · answer #7 · answered by Angel Girl 5 · 0⤊ 0⤋
-12x
2006-11-16 20:00:33 · answer #8 · answered by Anonymous · 0⤊ 0⤋
-12x
2006-11-16 19:57:51 · answer #9 · answered by bamabunch5 2 · 0⤊ 0⤋
-12x
2006-11-16 19:56:16 · answer #10 · answered by Todd D 3 · 0⤊ 0⤋