how do you simplify 6a² - 8ab/ 9ab - 12b²?

2010-03-20 11:15 am

回答 (4)

2010-03-20 11:21 am

✔ 最佳答案

6a^2-8ab
-------------
9ab-12b^2

..2a(3a-4b)
=-------------- cancel out 3a-4b
...3b(3a-4b)

=2a/3b answer//

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2010-03-20 8:07 pm

(6a^2 - 8ab)/(9ab - 12b^2)
= [2a(3a - 4b)]/[3b(3a - 4b)]
= 2a/(3b)

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2010-03-20 6:23 pm

6a^2 - 8/9 - 12b^2

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2010-03-20 6:22 pm

Step 1. 6aÂ² - 8ab/ 9ab - 12bÂ²
Step 2. 2a(3a-4b)/3b(3a-4b)
Step 3. 2a/3b

參考: taking college calculus

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