SOLUTION: 9y 2/3 - 24y 1/3 + 16. I'm so lost when it comes to this stuff!!!

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Question 21652: 9y 2/3 - 24y 1/3 + 16.
I'm so lost when it comes to this stuff!!!

Answer by longjonsilver(2297)   (Show Source): You can put this solution on YOUR website!
what about it?



First, lets change variable to remove the fractional part of the powers... like so:

Let x = , so that }. We therefore get:

which is a straight forward quadratic now, which hopefully can be factorised:



(3x - 4)(3x - 4)
ie

So, writing this back into the original variable, y, we have

Hope this is clear?

jon.