若m+4的绝对值与n²-2n+1互为相反数,把多项式(x²+4y²)-(mxy+n)分解因式
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![若m+4的绝对值与n²-2n+1互为相反数,把多项式(x²+4y²)-(mxy+n)分解因式](/uploads/image/z/322825-49-5.jpg?t=%E8%8B%A5m%2B4%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E4%B8%8En%26%23178%3B-2n%2B1%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E6%8A%8A%E5%A4%9A%E9%A1%B9%E5%BC%8F%28x%26%23178%3B%2B4y%26%23178%3B%29-%28mxy%2Bn%29%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F)
若m+4的绝对值与n²-2n+1互为相反数,把多项式(x²+4y²)-(mxy+n)分解因式
若m+4的绝对值与n²-2n+1互为相反数,把多项式(x²+4y²)-(mxy+n)分解因式
若m+4的绝对值与n²-2n+1互为相反数,把多项式(x²+4y²)-(mxy+n)分解因式
|m+4|+(n-1)^2=0;
m=-4,n=1;
多项式:x^2+4y^2+4xy-1=(x+2y)^2-1=(x+2y+1)(x+2y-1)