2x²+xy-y²,-x²+2xy +3y²,3x²-10xy+4y²
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incomplete question
as the equation are visible but the
what to do or what to find was not given in this question
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Step-by-step explanation:
list the like and uike terms
and you should do addition
finally you get the answer that is 6x²+ 13xy+ 8y²
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