(8x²-9y)-¾x²(-7x+y) simply – InterviewSolution

1.	(8x²-9y)-¾x²(-7x+y) simply
Answer» x3- 2x2y + 3XY2- y3+ 2x3- 5XY2 + 3x2y - 4y3 ... P + Q + R = (7x2 + 5XY - 9Y2) + ( 4Y2 - 3x2 - 6xy) + (- 4x2 + xy + 5y2

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