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All real numbers.
It can be all real numbers because this: 0 is a real number and the division by 0 is not defined so it can't be all real numbers. There are some values that make the denominator 0, ofc you can go doing substitutions in the ''x'' but that's not what my professor wants Thanks for the answer btw
If I remember correctly, when you have a polynomial (rough translate from google), the Domain is always all the Real Numbers unless you have a Root (I don't know if you call that on enlgish to the thing V----)
I was blind tho, I didn't notice that all values in the denominator had an X lol
If this was science i woukd have u but i hated math so sry man
Physics = maths in action.
I know math its actualy very easy im gonna solve it for you and explain itSpoiler for Hidden: Sorry for my hand writing , its horrible.... Nady23 and Aethelred gave you the answer earlier