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Old 04-08-2011, 10:28 AM   #93
AMD
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Quote:
Originally Posted by linz06 View Post
You could only factor it into 1/[12(x+2)] if you are writing it in a line form. In fraction form, that would be

1
_______
12(x+2)

and to write that in a line, you would have to show [ ] around the bottom to show it is all a denominator. Without those brackets, 1/12(x+2) would just be:

1
__ (x+2)
12

Yes you can add brackets which makes it easier to see but either way you cannot separate the factor in the denominator.
Otherwise it would have to be expressed (1/12)(x+2) and then the second example would be correct.
Anytime a number is multiplied by parenthesis, you can 1) distribute or 2) solve the parenthesis and multiply by your factor; but you have to solve the demonimator completely before performing the division operation.

48÷2(9+3) = 2
My Calculus teacher would stick it to me if I gave 288 as an answer to that algebra problem.
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