Question

123xy - 138x²y is a like term

options =
$(a) \: 10xy \: (b) \: - 5xy \: (c) \: - 15xy^{2} (d) \: 10^{2} y$
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Answer 1

123xy - 138x²y is a like term ?

NO BECAUSE IN FIRST CASE x HAS NO POWER WHILE IN SECOND CASE IT HAS A POWER OF 2