please give me answer
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let the required no. be a
a=2x²+3xy - (x²+xy+y²)
a=2x²+3xy-x²-xy-y²
a=x²+2xy-y²
a=2x²+3xy - (x²+xy+y²)
a=2x²+3xy-x²-xy-y²
a=x²+2xy-y²
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