(14 x2 +8 ху+ 3y2 ) - (26x2. - 8ху - 17y2 )
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(14 x² +8 ху+ 3y2 ) - (26x². - 8ху - 17y2 )
=(14 x2 +8 ху+ 3y2 - 26x2. + 8ху +17y2 )
= -12x²+ 16xy+ 20y²
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Answer:
(14x²+8xy+3y²)-(26x²-8xy-17y²)
14x²+8xy+3y²-26x²+8xy+17y²
-12x²+16xy+20y² (Ans.)
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