数学问题求助
用配方法解方程:x^2+2mx-n^2=0
参考答案:x^2+2mx-n^2=0
[X+m]^2-m^2-n^2=0
[x+m]^2=m^2+n^2
x+m=+/-根[m^2+n^2]
x1=-m+根[m^2+n^2]
x2=-m-根[m^2+n^2]
用配方法解方程:x^2+2mx-n^2=0
参考答案:x^2+2mx-n^2=0
[X+m]^2-m^2-n^2=0
[x+m]^2=m^2+n^2
x+m=+/-根[m^2+n^2]
x1=-m+根[m^2+n^2]
x2=-m-根[m^2+n^2]