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siniylev [52]
3 years ago
7

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

Mathematics
1 answer:
postnew [5]3 years ago
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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