多项式(4xy-3x²-xy+y²+x²)-(3xy+2y-2x²)的值与x,y有关还是无关最后化简得-4x²+y²
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![多项式(4xy-3x²-xy+y²+x²)-(3xy+2y-2x²)的值与x,y有关还是无关最后化简得-4x²+y²](/uploads/image/z/1623746-2-6.jpg?t=%E5%A4%9A%E9%A1%B9%E5%BC%8F%284xy-3x%26%23178%3B-xy%2By%26%23178%3B%2Bx%26%23178%3B%29-%283xy%2B2y-2x%26%23178%3B%29%E7%9A%84%E5%80%BC%E4%B8%8Ex%2Cy%E6%9C%89%E5%85%B3%E8%BF%98%E6%98%AF%E6%97%A0%E5%85%B3%E6%9C%80%E5%90%8E%E5%8C%96%E7%AE%80%E5%BE%97-4x%26%23178%3B%2By%26%23178%3B)
多项式(4xy-3x²-xy+y²+x²)-(3xy+2y-2x²)的值与x,y有关还是无关最后化简得-4x²+y²
多项式(4xy-3x²-xy+y²+x²)-(3xy+2y-2x²)的值与x,y有关还是无关
最后化简得-4x²+y²
多项式(4xy-3x²-xy+y²+x²)-(3xy+2y-2x²)的值与x,y有关还是无关最后化简得-4x²+y²
答:与x无关,y有关
原式=4xy-3x²-xy+y²+x²-3xy-2y+2x²
=y²