what should be subtracted from 5x2 - 6y2 + 7xy + 19 to obtain 3x2 -2y2 + 4xy + 31
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Answered by
2
Answer:
5x − 2x2 − 8 + 8x2 − 7x − 9 + 3 + 7x2 − 2x
= -2x2 +8x2 + 7x2 + 5x - 7x - 2x -8 -9 + 3= 13x2 -4x -14
Answered by
2
Answer:
2x²-4y²+3xy-12
Step-by-step explanation
required polynomial=(5x²-6y²+7xy+19)-(3x²-2y²+4xy-12)
=2x²-4y²+3xy-12
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