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What should be subtracted from 5x2 - 6y2 + 7xy + 19 to obtain 3x2 -2y2 + 4xy + 31​

Answer»

ong>Answer:

5x − 2x2 − 8 + 8X27X − 9 + 3 + 7x2 − 2X

= -2x2 +8x2 + 7x2 + 5x - 7x - 2x -8 -9 + 3= 13x2 -4x -14



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