1、若xy-4x+y²+16y+13=0,则x=() ,y=() 2、分解因式:36a²-(9a²+1)²=()3、多项式m(m-3)+2(3-m),m²-4m+4,m的4次方-16中,它们的公因式是()4、若正方形的面积是9x²+6x+1(x>0),则边长
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![1、若xy-4x+y²+16y+13=0,则x=() ,y=() 2、分解因式:36a²-(9a²+1)²=()3、多项式m(m-3)+2(3-m),m²-4m+4,m的4次方-16中,它们的公因式是()4、若正方形的面积是9x²+6x+1(x>0),则边长](/uploads/image/z/698840-8-0.jpg?t=1%E3%80%81%E8%8B%A5xy-4x%2By%26sup2%3B%2B16y%2B13%3D0%2C%E5%88%99x%3D%28%29+%2Cy%3D%28%29+2%E3%80%81%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9A36a%26sup2%3B-%EF%BC%889a%26sup2%3B%2B1%EF%BC%89%26sup2%3B%3D%EF%BC%88%EF%BC%893%E3%80%81%E5%A4%9A%E9%A1%B9%E5%BC%8Fm%28m-3%29%2B2%283-m%29%2Cm%26sup2%3B-4m%2B4%2Cm%E7%9A%844%E6%AC%A1%E6%96%B9-16%E4%B8%AD%2C%E5%AE%83%E4%BB%AC%E7%9A%84%E5%85%AC%E5%9B%A0%E5%BC%8F%E6%98%AF%EF%BC%88%EF%BC%894%E3%80%81%E8%8B%A5%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF9x%26sup2%3B%2B6x%2B1%EF%BC%88x%EF%BC%9E0%EF%BC%89%2C%E5%88%99%E8%BE%B9%E9%95%BF)
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