You must have a typo in your question.
The first part contains the variable a, the second contains the variable x.
No way can that be the answer !
Factor each expression
1-9a^2/a+1 times 4x^2-y^2/x+y
Here is what I got:
(1-3a)(1+3a)/a+1 times (2x-y)(2x+y)/x+y
what am i doing wrong? The final answer is suppose to be 1-3a
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