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प्रश्न
How much more than 2x2 + 4xy + 2y2 is 5x2 + 10xy – y2 ?
योग
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उत्तर
5x2 + 10xy – y2
+2x2 + 4xy + 2y2
– – –
3x2 + 6xy – 3y2
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Combining like Terms
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