Add { 3x² + 2y -3 } and { 5x²-7y }
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Answer:
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Explanation:
5x²-[3y-(x²+7y-3x²)+6y]
5x²-[3y-(-2x²+7y)+6y]
5x²-[3y+2x²-7y+6y]
5x²-3y-2x²+7y-6y
3x²-2y
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