....Hey friends plz fast my ans but full solve
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ladenhussain91:
plz koi help kro
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we have to subtract 5x²-7xy+5y² from -2x²+3xy-2y²
i.e.
-2x²+3xy-2y²-(5x²-7xy+5y²)
=>-2x²+3xy-2y²-5x²+7xy-5y²
=>-7x²+10xy-7y² is the answer
i.e.
-2x²+3xy-2y²-(5x²-7xy+5y²)
=>-2x²+3xy-2y²-5x²+7xy-5y²
=>-7x²+10xy-7y² is the answer
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