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5 votes
4a^{2}+9b^{2} -x^{2} -1+12ab-2xy

can someone explain this pls it's hurting my brain:,)

1 Answer

4 votes
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.
User ArranJacques
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