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March 5, 2015

March 5, 2015

Posted by **Kathy** on Wednesday, September 3, 2014 at 7:36pm.

2a^2 + 6ab^2-12a^2b^3 divided by 24ab

-2a^2/-24ab + 6ab^2/24ab--12a^2b^3/24ab=

-12ab^2 +12a +4b

- algebra -
**Steve**, Wednesday, September 3, 2014 at 7:46pm-2a^2 / 24ab is not -12ab

It is -a/12b

because you have -(2a)(a) / (2a)(12b)

and the 2a's cancel

6ab^2/24ab = (6ab)(b) / (6ab)(4) = b/4

12a^2b^3 / 24ab = (12ab)(ab^2) / (12ab)(2) = ab^2/2

Looks like you have some serious practice ahead. You can enter your expressions in wolframalpha.com to check your answers.

Be sure to watch how it interprets your input, and use extra parentheses as needed!

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