①(6xy+5x)÷x
②(8xy﹣6x2y)÷2xy
③(15x2y﹣10xy2)÷5xy
④(8a2﹣4ab)÷(﹣4a)
⑤(25x3+15x2﹣20x)÷(﹣5x)
⑥(12x3﹣8x2+16x)÷(﹣4x)
⑦[(x+y)(x﹣y)﹣(x﹣y)2]÷2y
⑧[(a+b)2﹣b(2a+b)﹣8a]÷2a.
②(8xy﹣6x2y)÷2xy=4﹣3x;
③(15x2y﹣10xy2)÷5xy=3x﹣2y;
④(8a2﹣4ab)÷(﹣4a)=﹣2a+b;
⑤(25x3+15x2﹣20x)÷(﹣5x)=﹣5x2﹣3x+4;
⑥(12x3﹣8x