Ho Thi Tham
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2025-06-24 09:33:22
a, (5x^3y^2−3x^2y+xy) : xy = 5x^2y-3x+1
b, A+2M=P
A=P-2M
A=3x^3−2x^2y−xy+3-2(x^3−x^2y+2xy+3)
A=3x^3−2x^2y−xy-2x^3+2x^2y-4xy-6
A= (3x^3-2x^3)-(2x^2y-2x^2y)−(xy+4xy)-6
A= x^3-0-5xy-6
A=x^3 -5xyy-6
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