Subtract 5x?- 4y? + 6y -3 from
9x² - 6xy + 7y² + 4x-2y
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Answer:
9x2 --6xy+7y2+4x-2y--5x?--3y?+6y --3
9x2 --6xy+7y2+4x-8y--5x?--3y?+ --3
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