x²+mx+36=(x-2)(x+n),则m=?n=?【2】x²+2x+y²-6y+10=0,则x-y=?【3】已知a²b²+8ab+4a²+b²+4=0,求3a+(b/2)∧2009的值【4】若三角形的三边abc满足a∧4 b∧4 c∧4-a²b²-a²c²-b²c
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![x²+mx+36=(x-2)(x+n),则m=?n=?【2】x²+2x+y²-6y+10=0,则x-y=?【3】已知a²b²+8ab+4a²+b²+4=0,求3a+(b/2)∧2009的值【4】若三角形的三边abc满足a∧4 b∧4 c∧4-a²b²-a²c²-b²c](/uploads/image/z/2589893-53-3.jpg?t=x%26%23178%3B%2Bmx%2B36%3D%28x-2%29%28x%2Bn%29%2C%E5%88%99m%3D%3Fn%3D%3F%E3%80%902%E3%80%91x%26%23178%3B%2B2x%2By%26%23178%3B-6y%2B10%3D0%2C%E5%88%99x-y%3D%3F%E3%80%903%E3%80%91%E5%B7%B2%E7%9F%A5a%26%23178%3Bb%26%23178%3B%2B8ab%2B4a%26%23178%3B%2Bb%26%23178%3B%2B4%3D0%2C%E6%B1%823a%2B%EF%BC%88b%2F2%EF%BC%89%E2%88%A72009%E7%9A%84%E5%80%BC%E3%80%904%E3%80%91%E8%8B%A5%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%B8%89%E8%BE%B9abc%E6%BB%A1%E8%B6%B3a%E2%88%A74+b%E2%88%A74+c%E2%88%A74-a%26%23178%3Bb%26%23178%3B-a%26%23178%3Bc%26%23178%3B-b%26%23178%3Bc)
x²+mx+36=(x-2)(x+n),则m=?n=?【2】x²+2x+y²-6y+10=0,则x-y=?【3】已知a²b²+8ab+4a²+b²+4=0,求3a+(b/2)∧2009的值【4】若三角形的三边abc满足a∧4 b∧4 c∧4-a²b²-a²c²-b²c
x²+mx+36=(x-2)(x+n),则m=?n=?
【2】x²+2x+y²-6y+10=0,则x-y=?
【3】已知a²b²+8ab+4a²+b²+4=0,求3a+(b/2)∧2009的值
【4】若三角形的三边abc满足a∧4 b∧4 c∧4-a²b²-a²c²-b²c²=0,判断该三角形的形状
x²+mx+36=(x-2)(x+n),则m=?n=?【2】x²+2x+y²-6y+10=0,则x-y=?【3】已知a²b²+8ab+4a²+b²+4=0,求3a+(b/2)∧2009的值【4】若三角形的三边abc满足a∧4 b∧4 c∧4-a²b²-a²c²-b²c
1)-20,-18
2) -4
3)正负2
4)在算,你等一下
(1)m=-20,n=-18 (我只算了第一题,不知道对不对啊)
急急急急急! x05 是撒子意思?你题目没说清楚吧