4a^{2}+9b^{2} -x^{2} -1+12ab-2xy can someone explain this pls it's hurting my brain:,)

1 answer:

5 0

It’s an expression. there is no like terms within the expression so it remains the same. each variable is different because of either the “a, b, x, y” or the squared.

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Step-by-step explanation:

median: The middle number after the numbers have been sorted into ascending or descending order.

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So if 9 were the missing number the median would be 5 because in ascending order it would look like this:

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