Rút gọn

----- Nội dung dịch tự động từ ảnh -----
c) (5x²y+5x+3)+(xyz-4x²y+5x-2)
c) (xyz-4x²y+5x-2)-(5x²y+5x+3)
d) (5x²y-5xy² + xy)+(xy-x²y² + 5x²y) d) (x²-2xy + y²)+(y² + 2xy + x² +1)
d) (x²+x²-xy-6)-(x²y+x²-xy²+3) e) (5x²y-5xy² + xy)-(xy-x²y² + 5x²y)
c) (4x²+x²y-5y²)-(x² - 6xy²-x²y)
1) (xy + y²-x²y²-2)-(x²y² +5- y²)
e) (x²y + x²-xy²+3)+(x²+x²-x-6)
g) (xy+y²-x²y²-2)+(x²y² +5-y²)